diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index c8042ba43e..31608eacc0 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -1883,18 +1883,6 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "futures_codec"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0a73299e4718f5452e45980fc1d6957a070abe308d3700b63b8673f47e1c2b3"
-dependencies = [
- "bytes 0.5.4",
- "futures 0.3.5",
- "memchr",
- "pin-project",
-]
-
 [[package]]
 name = "futures_codec"
 version = "0.4.1"
@@ -2776,7 +2764,7 @@ dependencies = [
  "libp2p-websocket",
  "libp2p-yamux",
  "multihash",
- "parity-multiaddr 0.9.1",
+ "parity-multiaddr",
  "parking_lot 0.10.2",
  "pin-project",
  "smallvec 1.4.1",
@@ -2801,7 +2789,7 @@ dependencies = [
  "log",
  "multihash",
  "multistream-select",
- "parity-multiaddr 0.9.1",
+ "parity-multiaddr",
  "parking_lot 0.10.2",
  "pin-project",
  "prost",
@@ -2865,7 +2853,7 @@ dependencies = [
  "either",
  "fnv",
  "futures 0.3.5",
- "futures_codec 0.4.1",
+ "futures_codec",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -2912,7 +2900,7 @@ dependencies = [
  "bytes 0.5.4",
  "fnv",
  "futures 0.3.5",
- "futures_codec 0.4.1",
+ "futures_codec",
  "libp2p-core",
  "log",
  "parking_lot 0.10.2",
@@ -4899,24 +4887,6 @@ dependencies = [
  "parking_lot 0.10.2",
 ]
 
-[[package]]
-name = "parity-multiaddr"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f77055f9e81921a8cc7bebeb6cded3d128931d51f1e3dd6251f0770a6d431477"
-dependencies = [
- "arrayref",
- "bs58",
- "byteorder",
- "data-encoding",
- "parity-multihash",
- "percent-encoding 2.1.0",
- "serde",
- "static_assertions",
- "unsigned-varint 0.3.3",
- "url 2.1.1",
-]
-
 [[package]]
 name = "parity-multiaddr"
 version = "0.9.1"
@@ -4935,21 +4905,6 @@ dependencies = [
  "url 2.1.1",
 ]
 
-[[package]]
-name = "parity-multihash"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a1cd2ba02391b81367bec529fb209019d718684fdc8ad6a712c2b536e46f775"
-dependencies = [
- "blake2",
- "bytes 0.5.4",
- "rand 0.7.3",
- "sha-1",
- "sha2",
- "sha3",
- "unsigned-varint 0.3.3",
-]
-
 [[package]]
 name = "parity-scale-codec"
 version = "1.3.1"
@@ -6707,7 +6662,7 @@ dependencies = [
  "fork-tree",
  "futures 0.3.5",
  "futures-timer 3.0.2",
- "futures_codec 0.3.4",
+ "futures_codec",
  "hex",
  "ip_network",
  "libp2p",
@@ -6744,7 +6699,7 @@ dependencies = [
  "substrate-test-runtime-client",
  "tempfile",
  "thiserror",
- "unsigned-varint 0.3.3",
+ "unsigned-varint 0.4.0",
  "void",
  "wasm-timer",
  "zeroize",
@@ -6953,7 +6908,6 @@ dependencies = [
  "lazy_static",
  "log",
  "netstat2",
- "parity-multiaddr 0.7.3",
  "parity-scale-codec",
  "parity-util-mem 0.7.0",
  "parking_lot 0.10.2",
@@ -9428,12 +9382,6 @@ name = "unsigned-varint"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f67332660eb59a6f1eb24ff1220c9e8d01738a8503c6002e30bcfe4bd9f2b4a9"
-dependencies = [
- "bytes 0.5.4",
- "futures-io",
- "futures-util",
- "futures_codec 0.3.4",
-]
 
 [[package]]
 name = "unsigned-varint"
@@ -9442,7 +9390,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "669d776983b692a906c881fcd0cfb34271a48e197e4d6cb8df32b05bfc3d3fa5"
 dependencies = [
  "bytes 0.5.4",
- "futures_codec 0.4.1",
+ "futures-io",
+ "futures-util",
+ "futures_codec",
 ]
 
 [[package]]
diff --git a/substrate/client/network/Cargo.toml b/substrate/client/network/Cargo.toml
index da7e7a5a2d..85f7643725 100644
--- a/substrate/client/network/Cargo.toml
+++ b/substrate/client/network/Cargo.toml
@@ -29,7 +29,7 @@ fnv = "1.0.6"
 fork-tree = { version = "2.0.0-rc4", path = "../../utils/fork-tree" }
 futures = "0.3.4"
 futures-timer = "3.0.1"
-futures_codec = "0.3.3"
+futures_codec = "0.4.0"
 hex = "0.4.0"
 ip_network = "0.3.4"
 linked-hash-map = "0.5.2"
@@ -57,7 +57,7 @@ sp-core = { version = "2.0.0-rc4", path = "../../primitives/core" }
 sp-runtime = { version = "2.0.0-rc4", path = "../../primitives/runtime" }
 sp-utils = { version = "2.0.0-rc4", path = "../../primitives/utils" }
 thiserror = "1"
-unsigned-varint = { version = "0.3.1", features = ["futures", "futures-codec"] }
+unsigned-varint = { version = "0.4.0", features = ["futures", "futures-codec"] }
 void = "1.0.2"
 wasm-timer = "0.2"
 zeroize = "1.0.0"
diff --git a/substrate/client/service/Cargo.toml b/substrate/client/service/Cargo.toml
index caf2360892..29f89635f6 100644
--- a/substrate/client/service/Cargo.toml
+++ b/substrate/client/service/Cargo.toml
@@ -70,8 +70,7 @@ sp-block-builder = { version = "2.0.0-rc4", path = "../../primitives/block-build
 sc-informant = { version = "0.8.0-rc2", path = "../informant" }
 sc-telemetry = { version = "2.0.0-rc4", path = "../telemetry" }
 sc-offchain = { version = "2.0.0-rc4", path = "../offchain" }
-parity-multiaddr = { package = "parity-multiaddr", version = "0.7.3" }
-prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus" , version = "0.8.0-rc4"}
+prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus", version = "0.8.0-rc4"}
 sc-tracing = { version = "2.0.0-rc4", path = "../tracing" }
 tracing = "0.1.10"
 parity-util-mem = { version = "0.7.0", default-features = false, features = ["primitive-types"] }