diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index a1f3ba2983..8a1ead4978 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -104,10 +104,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "arrayvec"
-version = "0.4.11"
+version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -240,7 +240,7 @@ name = "blake2-rfc"
 version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "constant_time_eq 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -341,7 +341,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -569,7 +569,7 @@ name = "crossbeam-epoch"
 version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -787,6 +787,18 @@ dependencies = [
  "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "env_logger"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "environmental"
 version = "1.0.2"
@@ -1055,7 +1067,7 @@ name = "generic-array"
 version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1313,7 +1325,7 @@ dependencies = [
  "http 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "http-body 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1405,11 +1417,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "iovec"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1785,7 +1796,7 @@ name = "libp2p-kad"
 version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2209,7 +2220,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2235,7 +2246,7 @@ name = "mio-uds"
 version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2418,7 +2429,7 @@ dependencies = [
 name = "node-rpc"
 version = "2.0.0"
 dependencies = [
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2442,7 +2453,7 @@ dependencies = [
 name = "node-rpc-client"
 version = "2.0.0"
 dependencies = [
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2590,7 +2601,7 @@ dependencies = [
 
 [[package]]
 name = "nodrop"
-version = "0.1.13"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2767,7 +2778,7 @@ name = "parity-scale-codec"
 version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitvec 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-slice-cast 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec-derive 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4669,7 +4680,7 @@ dependencies = [
  "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4701,7 +4712,7 @@ name = "substrate-client"
 version = "2.0.0"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4734,7 +4745,7 @@ dependencies = [
 name = "substrate-client-db"
 version = "2.0.0"
 dependencies = [
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
  "kvdb-memorydb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
@@ -4761,7 +4772,7 @@ name = "substrate-consensus-aura"
 version = "2.0.0"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4806,7 +4817,7 @@ dependencies = [
 name = "substrate-consensus-babe"
 version = "2.0.0"
 dependencies = [
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5004,7 +5015,7 @@ dependencies = [
 name = "substrate-finality-grandpa"
 version = "2.0.0"
 dependencies = [
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "finality-grandpa 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5099,7 +5110,7 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0",
@@ -5145,7 +5156,7 @@ name = "substrate-offchain"
 version = "2.0.0"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5402,7 +5413,7 @@ dependencies = [
 name = "substrate-service-test"
 version = "2.0.0"
 dependencies = [
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5431,7 +5442,7 @@ dependencies = [
 name = "substrate-state-db"
 version = "2.0.0"
 dependencies = [
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5547,7 +5558,7 @@ version = "2.0.0"
 dependencies = [
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5888,7 +5899,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustls 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5910,7 +5921,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-reactor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5974,7 +5985,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6598,7 +6609,7 @@ dependencies = [
 "checksum app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e73a24bad9bd6a94d6395382a6c69fe071708ae4409f763c5475e14ee896313d"
 "checksum arc-swap 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)" = "bc4662175ead9cd84451d5c35070517777949a2ed84551764129cedb88384841"
 "checksum arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
-"checksum arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b8d73f9beda665eaa98ab9e4f7442bd4e7de6652587de55b2525e52e29c1b0ba"
+"checksum arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9"
 "checksum asn1_der 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bea40e881533b1fe23afca9cd1c1ca022219a10fce604099ecfc96bfa26eaf1a"
 "checksum asn1_der_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9e7f92edafad155aff997fa5b727c6429b91e996b5a5d62a2b0adbae1306b5fe"
 "checksum assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7deb0a829ca7bcfaf5da70b073a8d128619259a7be8216a355e23f00763059e5"
@@ -6677,6 +6688,7 @@ dependencies = [
 "checksum either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 "checksum elastic-array 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "073be79b6538296faf81c631872676600616073817dd9a440c477ad09b408983"
 "checksum env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "aafcde04e90a5226a6443b7aabdb016ba2f8307c847d524724bd9b346dd1a2d3"
+"checksum env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "39ecdb7dd54465526f0a56d666e3b2dd5f3a218665a030b6e4ad9e70fa95d8fa"
 "checksum environmental 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "34f8467a0284de039e6bd0e25c14519538462ba5beb548bb1f03e645097837a8"
 "checksum erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3beee4bc16478a1b26f2e80ad819a52d24745e292f521a63c16eea5f74b7eb60"
 "checksum error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3ab49e9dcb602294bc42f9a7dfc9bc6e936fca4418ea300dbfb84fe16de0b7d9"
@@ -6746,7 +6758,7 @@ dependencies = [
 "checksum indexmap 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a61202fbe46c4a951e9404a720a0180bcf3212c750d735cb5c4ba4dc551299f3"
 "checksum integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ea155abb3ba6f382a75f1418988c05fe82959ed9ce727de427f9cfd425b0c903"
 "checksum interleaved-ordered 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "141340095b15ed7491bd3d4ced9d20cebfb826174b6bb03386381f62b01e3d77"
-"checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
+"checksum iovec 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c9636900aa73ffed13cdbb199f17cd955670bb300927c8d25b517dfa136b6567"
 "checksum ipnet 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e61c2da0d0f700c77d2d313dbf4f93e41d235fa12c6681fee06621036df4c2af"
 "checksum itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5b8467d9c1cebe26feb08c640139247fac215782d35371ade9a2136ed6085358"
 "checksum itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "501266b7edd0174f8530248f87f99c88fbe60ca4ef3dd486835b8d8d53136f7f"
@@ -6823,7 +6835,7 @@ dependencies = [
 "checksum native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4b2df1a4c22fd44a62147fd8f13dd0f95c9d8ca7b2610299b2a2f9cf8964274e"
 "checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nix 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6c722bee1037d430d0f8e687bbdbf222f27cc6e4e68d5caf630857bb2b6dbdce"
-"checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
+"checksum nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 "checksum nohash-hasher 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4e657a6ec97f9a3ba46f6f7034ea6db9fcd5b71d25ef1074b7bc03da49be0e8e"
 "checksum nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2ad2a91a8e869eeb30b9cb3119ae87773a8f4ae617f41b1eb9c154b2905f7bd6"
 "checksum num-bigint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f9c3f34cdd24f334cb265d9bf8bfa8a241920d026916785747a92f0e55541a1a"
diff --git a/substrate/core/authority-discovery/Cargo.toml b/substrate/core/authority-discovery/Cargo.toml
index a74549eb45..7283e07f89 100644
--- a/substrate/core/authority-discovery/Cargo.toml
+++ b/substrate/core/authority-discovery/Cargo.toml
@@ -20,7 +20,7 @@ log = "0.4.8"
 network = { package = "substrate-network", path = "../../core/network" }
 primitives = { package = "substrate-primitives", path = "../primitives" }
 prost = "0.5.0"
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 sr-primitives = { path = "../../core/sr-primitives" }
 tokio-timer = "0.2.11"
 
diff --git a/substrate/core/chain-spec/Cargo.toml b/substrate/core/chain-spec/Cargo.toml
index bff5999ef4..1a3c56affb 100644
--- a/substrate/core/chain-spec/Cargo.toml
+++ b/substrate/core/chain-spec/Cargo.toml
@@ -10,7 +10,7 @@ impl-trait-for-tuples = "0.1.2"
 network = { package = "substrate-network", path = "../../core/network" }
 primitives = { package = "substrate-primitives", path = "../primitives" }
 serde = { version = "1.0.101", features = ["derive"] }
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 sr-primitives = { path = "../../core/sr-primitives" }
 tel = { package = "substrate-telemetry", path = "../../core/telemetry" }
 
diff --git a/substrate/core/cli/Cargo.toml b/substrate/core/cli/Cargo.toml
index e3b33746d5..b1cb1d57ca 100644
--- a/substrate/core/cli/Cargo.toml
+++ b/substrate/core/cli/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 clap = "~2.32.0"
 derive_more = "0.15.0"
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 log = "0.4.8"
 atty = "0.2.13"
 regex = "1.3.1"
@@ -21,7 +21,7 @@ futures = "0.1.29"
 futures03 = { package = "futures-preview", version = "=0.3.0-alpha.19", features = ["compat"] }
 fdlimit = "0.1.1"
 exit-future = "0.1.4"
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 panic-handler = { package = "substrate-panic-handler", path = "../../core/panic-handler" }
 client = { package = "substrate-client", path = "../../core/client" }
 header-metadata = { package = "substrate-header-metadata", path = "../../core/client/header-metadata" }
diff --git a/substrate/core/client/Cargo.toml b/substrate/core/client/Cargo.toml
index 8852988cb1..5a0afd2d6f 100644
--- a/substrate/core/client/Cargo.toml
+++ b/substrate/core/client/Cargo.toml
@@ -30,7 +30,7 @@ sr-api-macros = { path = "../sr-api-macros" }
 header-metadata = { package = "substrate-header-metadata", path = "header-metadata", optional = true }
 
 [dev-dependencies]
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 tempfile = "3.1.0"
 test-client = { package = "substrate-test-runtime-client", path = "../test-runtime/client" }
 kvdb-memorydb = { git = "https://github.com/paritytech/parity-common", rev="b0317f649ab2c665b7987b8475878fc4d2e1f81d" }
diff --git a/substrate/core/client/db/Cargo.toml b/substrate/core/client/db/Cargo.toml
index 891255cb77..7d88c39d7f 100644
--- a/substrate/core/client/db/Cargo.toml
+++ b/substrate/core/client/db/Cargo.toml
@@ -27,7 +27,7 @@ header_metadata = { package = "substrate-header-metadata", path = "../header-met
 [dev-dependencies]
 substrate-keyring = { path = "../../keyring" }
 test-client = { package = "substrate-test-runtime-client", path = "../../test-runtime/client" }
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 
 [features]
 default = []
diff --git a/substrate/core/consensus/aura/Cargo.toml b/substrate/core/consensus/aura/Cargo.toml
index b63987ecb7..a09d510950 100644
--- a/substrate/core/consensus/aura/Cargo.toml
+++ b/substrate/core/consensus/aura/Cargo.toml
@@ -35,5 +35,5 @@ network = { package = "substrate-network", path = "../../network", features = ["
 service = { package = "substrate-service", path = "../../service" }
 test-client = { package = "substrate-test-runtime-client", path = "../../test-runtime/client" }
 tokio = "0.1.22"
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 tempfile = "3.1.0"
diff --git a/substrate/core/consensus/babe/Cargo.toml b/substrate/core/consensus/babe/Cargo.toml
index e225c2503a..b1c2c31f7d 100644
--- a/substrate/core/consensus/babe/Cargo.toml
+++ b/substrate/core/consensus/babe/Cargo.toml
@@ -44,7 +44,7 @@ network = { package = "substrate-network", path = "../../network", features = ["
 service = { package = "substrate-service", path = "../../service" }
 test-client = { package = "substrate-test-runtime-client", path = "../../test-runtime/client" }
 tokio = "0.1.22"
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 tempfile = "3.1.0"
 
 [features]
diff --git a/substrate/core/finality-grandpa/Cargo.toml b/substrate/core/finality-grandpa/Cargo.toml
index 0a42ff4531..84178c8a78 100644
--- a/substrate/core/finality-grandpa/Cargo.toml
+++ b/substrate/core/finality-grandpa/Cargo.toml
@@ -19,7 +19,7 @@ consensus_common = { package = "substrate-consensus-common", path = "../consensu
 primitives = { package = "substrate-primitives",  path = "../primitives" }
 substrate-telemetry = { path = "../telemetry" }
 keystore = { package = "substrate-keystore", path = "../keystore" }
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 client = { package = "substrate-client", path = "../client" }
 header-metadata = { package = "substrate-header-metadata", path = "../client/header-metadata" }
 inherents = { package = "substrate-inherents", path = "../../core/inherents" }
@@ -34,6 +34,6 @@ network = { package = "substrate-network", path = "../network", features = ["tes
 keyring = { package = "substrate-keyring", path = "../keyring" }
 test-client = { package = "substrate-test-runtime-client", path = "../test-runtime/client"}
 babe_primitives = { package = "substrate-consensus-babe-primitives", path = "../consensus/babe/primitives" }
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 tokio = "0.1.22"
 tempfile = "3.1.0"
diff --git a/substrate/core/keystore/Cargo.toml b/substrate/core/keystore/Cargo.toml
index ff5696ab37..cc491337cf 100644
--- a/substrate/core/keystore/Cargo.toml
+++ b/substrate/core/keystore/Cargo.toml
@@ -10,7 +10,7 @@ primitives = { package = "substrate-primitives",  path = "../primitives" }
 app-crypto = { package = "substrate-application-crypto",  path = "../application-crypto" }
 hex = "0.3.2"
 rand = "0.7.2"
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 subtle = "2.1.1"
 parking_lot = "0.9.0"
 
diff --git a/substrate/core/network/Cargo.toml b/substrate/core/network/Cargo.toml
index 453fbbeee3..016ddb8010 100644
--- a/substrate/core/network/Cargo.toml
+++ b/substrate/core/network/Cargo.toml
@@ -32,7 +32,7 @@ primitives = { package = "substrate-primitives", path = "../../core/primitives"
 codec = { package = "parity-scale-codec", version = "1.0.0", features = ["derive"] }
 peerset = { package = "substrate-peerset", path = "../../core/peerset" }
 serde = { version = "1.0.101", features = ["derive"] }
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 slog = { version = "2.5.2", features = ["nested-values"] }
 slog_derive = "0.1.1"
 smallvec = "0.6.10"
@@ -48,7 +48,7 @@ zeroize = "0.10.1"
 babe-primitives = { package = "substrate-consensus-babe-primitives", path = "../consensus/babe/primitives" }
 
 [dev-dependencies]
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 keyring = { package = "substrate-keyring", path = "../../core/keyring" }
 quickcheck = "0.9.0"
 rand = "0.7.2"
diff --git a/substrate/core/offchain/Cargo.toml b/substrate/core/offchain/Cargo.toml
index 8f342ee602..ca9b27eee2 100644
--- a/substrate/core/offchain/Cargo.toml
+++ b/substrate/core/offchain/Cargo.toml
@@ -27,7 +27,7 @@ network = { package = "substrate-network", path = "../../core/network" }
 keystore = { package = "substrate-keystore", path = "../keystore" }
 
 [dev-dependencies]
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 client-db = { package = "substrate-client-db", path = "../../core/client/db/", default-features = true }
 test-client = { package = "substrate-test-runtime-client", path = "../../core/test-runtime/client" }
 tokio = "0.1.22"
diff --git a/substrate/core/peerset/Cargo.toml b/substrate/core/peerset/Cargo.toml
index b11e59c770..96b721b41c 100644
--- a/substrate/core/peerset/Cargo.toml
+++ b/substrate/core/peerset/Cargo.toml
@@ -13,7 +13,7 @@ libp2p = { version = "0.12.0", default-features = false }
 linked-hash-map = "0.5.2"
 log = "0.4.8"
 lru-cache = "0.1.2"
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 
 [dev-dependencies]
 rand = "0.7.2"
diff --git a/substrate/core/rpc-servers/Cargo.toml b/substrate/core/rpc-servers/Cargo.toml
index 27601d8cc1..80e16bc5ae 100644
--- a/substrate/core/rpc-servers/Cargo.toml
+++ b/substrate/core/rpc-servers/Cargo.toml
@@ -9,7 +9,7 @@ jsonrpc-core = "13.2.0"
 pubsub = { package = "jsonrpc-pubsub", version = "13.2.0" }
 log = "0.4.8"
 serde = "1.0.101"
-serde_json = "1.0"
+serde_json = "1.0.41"
 sr-primitives = { path = "../sr-primitives" }
 
 [target.'cfg(not(target_os = "unknown"))'.dependencies]
diff --git a/substrate/core/rpc/Cargo.toml b/substrate/core/rpc/Cargo.toml
index e6f0db1c9c..85998feb1b 100644
--- a/substrate/core/rpc/Cargo.toml
+++ b/substrate/core/rpc/Cargo.toml
@@ -14,7 +14,7 @@ log = "0.4.8"
 primitives = { package = "substrate-primitives", path = "../primitives" }
 rpc = { package = "jsonrpc-core", version = "13.0.0" }
 runtime_version = { package = "sr-version", path = "../sr-version" }
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 session = { package = "substrate-session", path = "../session" }
 sr-primitives = { path = "../sr-primitives" }
 rpc-primitives = { package = "substrate-rpc-primitives", path = "primitives" }
diff --git a/substrate/core/rpc/api/Cargo.toml b/substrate/core/rpc/api/Cargo.toml
index b2614dbced..bccafc2a85 100644
--- a/substrate/core/rpc/api/Cargo.toml
+++ b/substrate/core/rpc/api/Cargo.toml
@@ -17,6 +17,6 @@ parking_lot = "0.9.0"
 primitives = { package = "substrate-primitives", path = "../../primitives" }
 runtime_version = { package = "sr-version", path = "../../sr-version" }
 serde = { version = "1.0.101", features = ["derive"] }
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 txpool = { package = "substrate-transaction-graph", path = "../../transaction-pool/graph" }
 rpc-primitives = { package = "substrate-rpc-primitives", path = "../../rpc/primitives" }
diff --git a/substrate/core/serializer/Cargo.toml b/substrate/core/serializer/Cargo.toml
index b6dfa3f470..4e0e706e2f 100644
--- a/substrate/core/serializer/Cargo.toml
+++ b/substrate/core/serializer/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2018"
 
 [dependencies]
 serde = "1.0.101"
-serde_json = "1.0.40"
+serde_json = "1.0.41"
diff --git a/substrate/core/service/Cargo.toml b/substrate/core/service/Cargo.toml
index 5d8abee116..5f5f132233 100644
--- a/substrate/core/service/Cargo.toml
+++ b/substrate/core/service/Cargo.toml
@@ -16,7 +16,7 @@ tokio-executor = "0.1.8"
 tokio-timer = "0.2.11"
 exit-future = "0.1.4"
 serde = "1.0.101"
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 sysinfo = "0.9.5"
 target_info = "0.1.0"
 keystore = { package = "substrate-keystore", path = "../../core/keystore" }
diff --git a/substrate/core/service/test/Cargo.toml b/substrate/core/service/test/Cargo.toml
index b4651da7a7..872d63415f 100644
--- a/substrate/core/service/test/Cargo.toml
+++ b/substrate/core/service/test/Cargo.toml
@@ -9,7 +9,7 @@ tempdir = "0.3.7"
 tokio = "0.1.22"
 futures = "0.1.29"
 log = "0.4.8"
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 fdlimit = "0.1.1"
 futures03 = { package = "futures-preview", version = "=0.3.0-alpha.19", features = ["compat"] }
 service = { package = "substrate-service", path = "../../../core/service" }
diff --git a/substrate/core/sr-primitives/Cargo.toml b/substrate/core/sr-primitives/Cargo.toml
index ab81df2b53..1074e509a6 100644
--- a/substrate/core/sr-primitives/Cargo.toml
+++ b/substrate/core/sr-primitives/Cargo.toml
@@ -20,7 +20,7 @@ externalities = { package = "substrate-externalities", path = "../externalities"
 impl-trait-for-tuples = "0.1.2"
 
 [dev-dependencies]
-serde_json = "1.0.40"
+serde_json = "1.0.41"
 primitive-types = "0.5.1"
 rand = "0.7.2"
 substrate-offchain = { path = "../offchain" }
diff --git a/substrate/core/state-db/Cargo.toml b/substrate/core/state-db/Cargo.toml
index 86298ae909..d271a0e179 100644
--- a/substrate/core/state-db/Cargo.toml
+++ b/substrate/core/state-db/Cargo.toml
@@ -11,4 +11,4 @@ primitives = { package = "substrate-primitives", path = "../../core/primitives"
 codec = { package = "parity-scale-codec", version = "1.0.0", features = ["derive"] }
 
 [dev-dependencies]
-env_logger = "0.6.2"
+env_logger = "0.7.0"
diff --git a/substrate/core/transaction-pool/graph/Cargo.toml b/substrate/core/transaction-pool/graph/Cargo.toml
index d99291476e..fa0d6f14b6 100644
--- a/substrate/core/transaction-pool/graph/Cargo.toml
+++ b/substrate/core/transaction-pool/graph/Cargo.toml
@@ -15,6 +15,6 @@ sr-primitives = { path = "../../sr-primitives" }
 
 [dev-dependencies]
 assert_matches = "1.3.0"
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 codec = { package = "parity-scale-codec", version = "1.0.0" }
 test_runtime = { package = "substrate-test-runtime", path = "../../test-runtime" }
diff --git a/substrate/node/rpc-client/Cargo.toml b/substrate/node/rpc-client/Cargo.toml
index 7dca144886..e377f89359 100644
--- a/substrate/node/rpc-client/Cargo.toml
+++ b/substrate/node/rpc-client/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 futures = "0.1.29"
 hyper = "0.12.35"
 jsonrpc-core-client = { version = "13.1.0", features = ["http", "ws"] }
diff --git a/substrate/node/rpc/Cargo.toml b/substrate/node/rpc/Cargo.toml
index 6bec6adb6f..6985d94e54 100644
--- a/substrate/node/rpc/Cargo.toml
+++ b/substrate/node/rpc/Cargo.toml
@@ -23,5 +23,5 @@ transaction_pool = { package = "substrate-transaction-pool", path = "../../core/
 [dev-dependencies]
 node-testing = { path = "../testing" }
 node-runtime = { path = "../runtime" }
-env_logger = "0.6.2"
+env_logger = "0.7.0"
 futures03 = { package = "futures-preview", version = "=0.3.0-alpha.19" }
diff --git a/substrate/srml/utility/Cargo.toml b/substrate/srml/utility/Cargo.toml
index d46ed62a55..5e92bcf88a 100644
--- a/substrate/srml/utility/Cargo.toml
+++ b/substrate/srml/utility/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-serde = { version = "1.0", optional = true }
+serde = { version = "1.0.101", optional = true }
 codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
 support = { package = "srml-support", path = "../support", default-features = false }
 system = { package = "srml-system", path = "../system", default-features = false }