diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 830157efd3..8a494655dd 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -4768,9 +4768,9 @@ checksum = "aa9777aa91b8ad9dd5aaa04a9b6bcb02c7f1deb952fca5a66034d5e63afc5c6f"
 
 [[package]]
 name = "parity-util-mem"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e42755f26e5ea21a6a819d9e63cbd70713e9867a2b767ec2cc65ca7659532c5"
+checksum = "2c6e2583649a3ca84894d1d71da249abcfda54d5aca24733d72ca10d0f02361c"
 dependencies = [
  "cfg-if",
  "impl-trait-for-tuples",
diff --git a/substrate/client/cli/Cargo.toml b/substrate/client/cli/Cargo.toml
index 0670961834..198a9df5b5 100644
--- a/substrate/client/cli/Cargo.toml
+++ b/substrate/client/cli/Cargo.toml
@@ -44,7 +44,7 @@ names = "0.11.0"
 structopt = "0.3.8"
 sc-tracing = { version = "2.0.0-dev", path = "../tracing" }
 chrono = "0.4.10"
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 
 [target.'cfg(not(target_os = "unknown"))'.dependencies]
 rpassword = "4.0.1"
diff --git a/substrate/client/db/Cargo.toml b/substrate/client/db/Cargo.toml
index 0540edd550..10ad5e30f1 100644
--- a/substrate/client/db/Cargo.toml
+++ b/substrate/client/db/Cargo.toml
@@ -19,7 +19,7 @@ kvdb-rocksdb = { version = "0.7", optional = true }
 kvdb-memorydb = "0.5.0"
 linked-hash-map = "0.5.2"
 hash-db = "0.15.2"
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["std"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["std"] }
 codec = { package = "parity-scale-codec", version = "1.3.0", features = ["derive"] }
 blake2-rfc = "0.2.18"
 
diff --git a/substrate/client/informant/Cargo.toml b/substrate/client/informant/Cargo.toml
index 5ece3e0ffb..f8e6ca85f9 100644
--- a/substrate/client/informant/Cargo.toml
+++ b/substrate/client/informant/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 ansi_term = "0.12.1"
 futures = "0.3.4"
 log = "0.4.8"
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 wasm-timer = "0.2"
 sc-client-api = { version = "2.0.0-dev", path = "../api" }
 sc-network = { version = "0.8.0-dev", path = "../network" }
diff --git a/substrate/client/service/Cargo.toml b/substrate/client/service/Cargo.toml
index 167c3c1436..1cc7e85b7a 100644
--- a/substrate/client/service/Cargo.toml
+++ b/substrate/client/service/Cargo.toml
@@ -62,7 +62,7 @@ parity-multiaddr = { package = "parity-multiaddr", version = "0.7.3" }
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus" , version = "0.8.0-dev"}
 sc-tracing = { version = "2.0.0-dev", path = "../tracing" }
 tracing = "0.1.10"
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 
 
 [target.'cfg(any(unix, windows))'.dependencies]
diff --git a/substrate/client/state-db/Cargo.toml b/substrate/client/state-db/Cargo.toml
index ebb92ca375..c2d2f2eb0b 100644
--- a/substrate/client/state-db/Cargo.toml
+++ b/substrate/client/state-db/Cargo.toml
@@ -17,7 +17,7 @@ log = "0.4.8"
 sc-client-api = { version = "2.0.0-dev", path = "../api" }
 sp-core = { version = "2.0.0-dev", path = "../../primitives/core" }
 codec = { package = "parity-scale-codec", version = "1.3.0", features = ["derive"] }
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 parity-util-mem-derive = "0.1.0"
 
 [dev-dependencies]
diff --git a/substrate/client/transaction-pool/Cargo.toml b/substrate/client/transaction-pool/Cargo.toml
index 4eea7899f7..a6a5ec67e7 100644
--- a/substrate/client/transaction-pool/Cargo.toml
+++ b/substrate/client/transaction-pool/Cargo.toml
@@ -28,7 +28,7 @@ sp-transaction-pool = { version = "2.0.0-dev", path = "../../primitives/transact
 sc-client-api = { version = "2.0.0-dev", path = "../api" }
 sp-blockchain = { version = "2.0.0-dev", path = "../../primitives/blockchain" }
 intervalier = "0.4.0"
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 
 [dev-dependencies]
 assert_matches = "1.3.0"
diff --git a/substrate/client/transaction-pool/graph/Cargo.toml b/substrate/client/transaction-pool/graph/Cargo.toml
index 42bf3deead..842d54f920 100644
--- a/substrate/client/transaction-pool/graph/Cargo.toml
+++ b/substrate/client/transaction-pool/graph/Cargo.toml
@@ -23,7 +23,7 @@ sp-utils = { version = "2.0.0-dev", path = "../../../primitives/utils" }
 sp-core = { version = "2.0.0-dev", path = "../../../primitives/core" }
 sp-runtime = { version = "2.0.0-dev", path = "../../../primitives/runtime" }
 sp-transaction-pool = { version = "2.0.0-dev", path = "../../../primitives/transaction-pool" }
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 linked-hash-map = "0.5.2"
 
 [dev-dependencies]
diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index 4ab6dd8e97..e010002a5c 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -35,7 +35,7 @@ parking_lot = { version = "0.10.0", optional = true }
 sp-debug-derive = { version = "2.0.0-dev", path = "../debug-derive" }
 sp-externalities = { version = "0.8.0-dev", optional = true, path = "../externalities" }
 sp-storage = { version = "2.0.0-dev", default-features = false, path = "../storage" }
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 futures = { version = "0.3.1", optional = true }
 
 # full crypto
diff --git a/substrate/primitives/runtime/Cargo.toml b/substrate/primitives/runtime/Cargo.toml
index 7e150585c4..d3ad92aeb6 100644
--- a/substrate/primitives/runtime/Cargo.toml
+++ b/substrate/primitives/runtime/Cargo.toml
@@ -26,7 +26,7 @@ paste = "0.1.6"
 rand = { version = "0.7.2", optional = true }
 impl-trait-for-tuples = "0.1.3"
 sp-inherents = { version = "2.0.0-dev", default-features = false, path = "../inherents" }
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 hash256-std-hasher = { version = "0.15.2", default-features = false }
 
 [dev-dependencies]
diff --git a/substrate/primitives/test-primitives/Cargo.toml b/substrate/primitives/test-primitives/Cargo.toml
index 16171ea747..386f7be17c 100644
--- a/substrate/primitives/test-primitives/Cargo.toml
+++ b/substrate/primitives/test-primitives/Cargo.toml
@@ -17,7 +17,7 @@ codec = { package = "parity-scale-codec", version = "1.3.0", default-features =
 sp-core = { version = "2.0.0-dev", default-features = false, path = "../core" }
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
 sp-runtime = { version = "2.0.0-dev", default-features = false, path = "../runtime" }
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 
 [features]
 default = [
diff --git a/substrate/test-utils/runtime/Cargo.toml b/substrate/test-utils/runtime/Cargo.toml
index 065a09c889..96daca8bed 100644
--- a/substrate/test-utils/runtime/Cargo.toml
+++ b/substrate/test-utils/runtime/Cargo.toml
@@ -43,7 +43,7 @@ sc-client = { version = "0.8.0-dev", optional = true, path = "../../client" }
 sp-trie = { version = "2.0.0-dev", default-features = false, path = "../../primitives/trie" }
 sp-transaction-pool = { version = "2.0.0-dev", default-features = false, path = "../../primitives/transaction-pool" }
 trie-db = { version = "0.20.1", default-features = false }
-parity-util-mem = { version = "0.6.0", default-features = false, features = ["primitive-types"] }
+parity-util-mem = { version = "0.6.1", default-features = false, features = ["primitive-types"] }
 
 [dev-dependencies]
 sc-block-builder = { version = "0.8.0-dev", path = "../../client/block-builder" }