diff --git a/Cargo.lock b/Cargo.lock
index c5034978a4100..545677a3298c0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3772,7 +3772,7 @@ dependencies = [
  "pallet-timestamp",
  "pallet-transaction-payment",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "platforms",
  "rand 0.7.3",
  "regex",
@@ -4317,7 +4317,7 @@ dependencies = [
  "pallet-session",
  "pallet-timestamp",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "serde",
  "sp-application-crypto",
  "sp-consensus-aura",
@@ -4989,7 +4989,7 @@ dependencies = [
  "pallet-staking-reward-curve",
  "pallet-timestamp",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "rand_chacha 0.2.2",
  "serde",
  "sp-application-crypto",
@@ -6451,7 +6451,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-block-builder",
  "sc-client-api",
  "sc-proposer-metrics",
@@ -6583,7 +6583,7 @@ dependencies = [
  "lazy_static",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-executor",
  "sp-api",
  "sp-blockchain",
@@ -6621,7 +6621,7 @@ dependencies = [
  "parity-db",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "quickcheck",
  "sc-client-api",
  "sc-executor",
@@ -6660,7 +6660,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-block-builder",
  "sc-client-api",
  "sc-consensus-slots",
@@ -6704,7 +6704,7 @@ dependencies = [
  "num-rational",
  "num-traits",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "pdqselect",
  "rand 0.7.3",
  "rand_chacha 0.2.2",
@@ -6779,7 +6779,7 @@ version = "0.8.0"
 dependencies = [
  "fork-tree",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-client-api",
  "sp-blockchain",
  "sp-runtime",
@@ -6797,7 +6797,7 @@ dependencies = [
  "jsonrpc-derive",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-basic-authorship",
  "sc-client-api",
  "sc-consensus-babe",
@@ -6831,7 +6831,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-client-api",
  "sp-api",
  "sp-block-builder",
@@ -6853,7 +6853,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-client-api",
  "sc-telemetry",
  "sp-api",
@@ -6896,7 +6896,7 @@ dependencies = [
  "log",
  "parity-scale-codec",
  "parity-wasm 0.41.0",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-executor-common",
  "sc-executor-wasmi",
  "sc-executor-wasmtime",
@@ -6983,7 +6983,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "pin-project 0.4.27",
  "rand 0.7.3",
  "sc-block-builder",
@@ -7073,7 +7073,7 @@ dependencies = [
  "futures-util",
  "hex",
  "merlin",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "rand 0.7.3",
  "serde_json",
  "sp-application-crypto",
@@ -7090,7 +7090,7 @@ dependencies = [
  "hash-db",
  "lazy_static",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-client-api",
  "sc-executor",
  "sp-api",
@@ -7188,7 +7188,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "libp2p",
  "log",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "rand 0.7.3",
  "sc-block-builder",
  "sc-client-api",
@@ -7220,7 +7220,7 @@ dependencies = [
  "log",
  "num_cpus",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "rand 0.7.3",
  "sc-client-api",
  "sc-client-db",
@@ -7273,7 +7273,7 @@ dependencies = [
  "lazy_static",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-block-builder",
  "sc-cli",
  "sc-client-api",
@@ -7314,7 +7314,7 @@ dependencies = [
  "jsonrpc-pubsub",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "serde",
  "serde_json",
  "sp-chain-spec",
@@ -7373,7 +7373,7 @@ dependencies = [
  "log",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "pin-project 0.4.27",
  "rand 0.7.3",
  "sc-block-builder",
@@ -7436,7 +7436,7 @@ dependencies = [
  "hex-literal",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-block-builder",
  "sc-client-api",
  "sc-client-db",
@@ -7470,7 +7470,7 @@ dependencies = [
  "parity-scale-codec",
  "parity-util-mem",
  "parity-util-mem-derive",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-client-api",
  "sp-core",
  "thiserror",
@@ -7503,7 +7503,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "libp2p",
  "log",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "pin-project 0.4.27",
  "rand 0.7.3",
  "serde",
@@ -7524,7 +7524,7 @@ dependencies = [
  "lazy_static",
  "log",
  "once_cell",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "regex",
  "rustc-hash",
  "sc-telemetry",
@@ -7550,7 +7550,7 @@ dependencies = [
  "log",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "retain_mut",
  "serde",
  "sp-blockchain",
@@ -7575,7 +7575,7 @@ dependencies = [
  "log",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-block-builder",
  "sc-client-api",
  "sc-transaction-graph",
@@ -8157,7 +8157,7 @@ dependencies = [
  "log",
  "lru",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sp-api",
  "sp-consensus",
  "sp-database",
@@ -8183,7 +8183,7 @@ dependencies = [
  "libp2p",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "serde",
  "sp-api",
  "sp-core",
@@ -8285,7 +8285,7 @@ dependencies = [
  "num-traits",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "pretty_assertions",
  "primitive-types",
  "rand 0.7.3",
@@ -8316,7 +8316,7 @@ name = "sp-database"
 version = "2.0.0"
 dependencies = [
  "kvdb",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
 ]
 
 [[package]]
@@ -8359,7 +8359,7 @@ name = "sp-inherents"
 version = "2.0.0"
 dependencies = [
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sp-core",
  "sp-std",
  "thiserror",
@@ -8374,7 +8374,7 @@ dependencies = [
  "libsecp256k1",
  "log",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sp-core",
  "sp-externalities",
  "sp-keystore",
@@ -8407,7 +8407,7 @@ dependencies = [
  "futures 0.3.8",
  "merlin",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "rand 0.7.3",
  "rand_chacha 0.2.2",
  "schnorrkel",
@@ -8623,7 +8623,7 @@ dependencies = [
  "log",
  "num-traits",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "pretty_assertions",
  "rand 0.7.3",
  "smallvec 1.5.0",
@@ -9086,7 +9086,7 @@ dependencies = [
  "derive_more",
  "futures 0.3.8",
  "parity-scale-codec",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.1",
  "sc-transaction-graph",
  "sp-blockchain",
  "sp-runtime",
diff --git a/bin/node/cli/Cargo.toml b/bin/node/cli/Cargo.toml
index 6574ccb733b52..773934e95fa33 100644
--- a/bin/node/cli/Cargo.toml
+++ b/bin/node/cli/Cargo.toml
@@ -42,7 +42,7 @@ log = "0.4.8"
 rand = "0.7.2"
 structopt = { version = "0.3.8", optional = true }
 tracing = "0.1.22"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 
 # primitives
 sp-authority-discovery = { version = "2.0.0",  path = "../../../primitives/authority-discovery" }
diff --git a/client/api/Cargo.toml b/client/api/Cargo.toml
index 07036bfb414a2..3adc55e173743 100644
--- a/client/api/Cargo.toml
+++ b/client/api/Cargo.toml
@@ -26,7 +26,7 @@ sp-blockchain = { version = "2.0.0", path = "../../primitives/blockchain" }
 sp-inherents = { version = "2.0.0", default-features = false, path = "../../primitives/inherents" }
 kvdb = "0.7.0"
 log = "0.4.8"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 lazy_static =  "1.4.0"
 sp-database = { version = "2.0.0", path = "../../primitives/database" }
 sp-core = { version = "2.0.0", default-features = false, path = "../../primitives/core" }
diff --git a/client/basic-authorship/Cargo.toml b/client/basic-authorship/Cargo.toml
index c5a67c0a6436e..f8d2c2f16c713 100644
--- a/client/basic-authorship/Cargo.toml
+++ b/client/basic-authorship/Cargo.toml
@@ -33,4 +33,4 @@ sc-proposer-metrics = { version = "0.8.0", path = "../proposer-metrics" }
 [dev-dependencies]
 sc-transaction-pool = { version = "2.0.0", path = "../transaction-pool" }
 substrate-test-runtime-client = { version = "2.0.0", path = "../../test-utils/runtime/client" }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
diff --git a/client/consensus/aura/Cargo.toml b/client/consensus/aura/Cargo.toml
index c240fa4cb4da6..24b617b38a391 100644
--- a/client/consensus/aura/Cargo.toml
+++ b/client/consensus/aura/Cargo.toml
@@ -25,7 +25,7 @@ futures = "0.3.4"
 futures-timer = "3.0.1"
 sp-inherents = { version = "2.0.0", path = "../../../primitives/inherents" }
 log = "0.4.8"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 sp-core = { version = "2.0.0", path = "../../../primitives/core" }
 sp-blockchain = { version = "2.0.0", path = "../../../primitives/blockchain" }
 sp-io = { version = "2.0.0", path = "../../../primitives/io" }
diff --git a/client/consensus/babe/Cargo.toml b/client/consensus/babe/Cargo.toml
index 2178f1cf97010..1b97ba68cc846 100644
--- a/client/consensus/babe/Cargo.toml
+++ b/client/consensus/babe/Cargo.toml
@@ -44,7 +44,7 @@ fork-tree = { version = "2.0.0", path = "../../../utils/fork-tree" }
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus", version = "0.8.0"}
 futures = "0.3.4"
 futures-timer = "3.0.1"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 log = "0.4.8"
 schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated"] }
 rand = "0.7.2"
diff --git a/client/consensus/epochs/Cargo.toml b/client/consensus/epochs/Cargo.toml
index d50ec29ed9c6e..b7de4494bf7a5 100644
--- a/client/consensus/epochs/Cargo.toml
+++ b/client/consensus/epochs/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 fork-tree = { version = "2.0.0", path = "../../../utils/fork-tree" }
 sp-runtime = {  path = "../../../primitives/runtime" , version = "2.0.0"}
 sp-blockchain = { version = "2.0.0", path = "../../../primitives/blockchain" }
diff --git a/client/consensus/manual-seal/Cargo.toml b/client/consensus/manual-seal/Cargo.toml
index d50cb59365269..80dbed3668c03 100644
--- a/client/consensus/manual-seal/Cargo.toml
+++ b/client/consensus/manual-seal/Cargo.toml
@@ -19,7 +19,7 @@ jsonrpc-core = "15.1.0"
 jsonrpc-core-client = "15.1.0"
 jsonrpc-derive = "15.1.0"
 log = "0.4.8"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 codec = { package = "parity-scale-codec", version = "1.3.1" }
 serde = { version = "1.0", features=["derive"] }
 assert_matches = "1.3.0"
diff --git a/client/consensus/pow/Cargo.toml b/client/consensus/pow/Cargo.toml
index fbb02ccc71121..cd4d12c37188d 100644
--- a/client/consensus/pow/Cargo.toml
+++ b/client/consensus/pow/Cargo.toml
@@ -26,7 +26,7 @@ sp-consensus = { version = "0.8.0", path = "../../../primitives/consensus/common
 log = "0.4.8"
 futures = { version = "0.3.1", features = ["compat"] }
 futures-timer = "3.0.1"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 sp-timestamp = { version = "2.0.0", path = "../../../primitives/timestamp" }
 derive_more = "0.99.2"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus", version = "0.8.0"}
diff --git a/client/consensus/slots/Cargo.toml b/client/consensus/slots/Cargo.toml
index e8bd1f33631ea..35b08444d45dc 100644
--- a/client/consensus/slots/Cargo.toml
+++ b/client/consensus/slots/Cargo.toml
@@ -30,7 +30,7 @@ sp-consensus = { version = "0.8.0", path = "../../../primitives/consensus/common
 sp-inherents = { version = "2.0.0", path = "../../../primitives/inherents" }
 futures = "0.3.4"
 futures-timer = "3.0.1"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 log = "0.4.11"
 thiserror = "1.0.21"
 
diff --git a/client/db/Cargo.toml b/client/db/Cargo.toml
index 70a0b19532593..491fd14ec301d 100644
--- a/client/db/Cargo.toml
+++ b/client/db/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 log = "0.4.8"
 kvdb = "0.7.0"
 kvdb-rocksdb = { version = "0.9.1", optional = true }
diff --git a/client/executor/Cargo.toml b/client/executor/Cargo.toml
index c5ce4b86e12f5..f06a8c66f144b 100644
--- a/client/executor/Cargo.toml
+++ b/client/executor/Cargo.toml
@@ -33,7 +33,7 @@ sp-externalities = { version = "0.8.0", path = "../../primitives/externalities"
 sc-executor-common = { version = "0.8.0", path = "common" }
 sc-executor-wasmi = { version = "0.8.0", path = "wasmi" }
 sc-executor-wasmtime = { version = "0.8.0", path = "wasmtime", optional = true }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 log = "0.4.8"
 libsecp256k1 = "0.3.4"
 
diff --git a/client/finality-grandpa/Cargo.toml b/client/finality-grandpa/Cargo.toml
index d19fc18b22bd5..69744691b8204 100644
--- a/client/finality-grandpa/Cargo.toml
+++ b/client/finality-grandpa/Cargo.toml
@@ -20,7 +20,7 @@ fork-tree = { version = "2.0.0", path = "../../utils/fork-tree" }
 futures = "0.3.4"
 futures-timer = "3.0.1"
 log = "0.4.8"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 rand = "0.7.2"
 parity-scale-codec = { version = "1.3.4", features = ["derive"] }
 sp-application-crypto = { version = "2.0.0", path = "../../primitives/application-crypto" }
diff --git a/client/keystore/Cargo.toml b/client/keystore/Cargo.toml
index c0c3acde25edf..d4d06b6f48d48 100644
--- a/client/keystore/Cargo.toml
+++ b/client/keystore/Cargo.toml
@@ -24,7 +24,7 @@ sp-core = { version = "2.0.0", path = "../../primitives/core" }
 sp-keystore = { version = "0.8.0", path = "../../primitives/keystore" }
 hex = "0.4.0"
 merlin = { version = "2.0", default-features = false }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 rand = "0.7.2"
 serde_json = "1.0.41"
 subtle = "2.1.1"
diff --git a/client/light/Cargo.toml b/client/light/Cargo.toml
index d9fecb7aa8fa2..4516b5c4b6659 100644
--- a/client/light/Cargo.toml
+++ b/client/light/Cargo.toml
@@ -11,7 +11,7 @@ documentation = "https://docs.rs/sc-light"
 readme = "README.md"
 
 [dependencies]
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 lazy_static = "1.4.0"
 hash-db = "0.15.2"
 sp-runtime = { version = "2.0.0", path = "../../primitives/runtime" }
diff --git a/client/network/test/Cargo.toml b/client/network/test/Cargo.toml
index 826b8c300f9af..e9f49021bbf5a 100644
--- a/client/network/test/Cargo.toml
+++ b/client/network/test/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 async-std = "1.6.5"
 sc-network = { version = "0.8.0", path = "../" }
 log = "0.4.8"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 futures = "0.3.4"
 futures-timer = "3.0.1"
 rand = "0.7.2"
diff --git a/client/offchain/Cargo.toml b/client/offchain/Cargo.toml
index 5c561105f02c7..c78aed367034c 100644
--- a/client/offchain/Cargo.toml
+++ b/client/offchain/Cargo.toml
@@ -24,7 +24,7 @@ threadpool = "1.7"
 num_cpus = "1.10"
 sp-offchain = { version = "2.0.0", path = "../../primitives/offchain" }
 codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 sp-core = { version = "2.0.0", path = "../../primitives/core" }
 rand = "0.7.2"
 sp-runtime = { version = "2.0.0", path = "../../primitives/runtime" }
diff --git a/client/rpc-api/Cargo.toml b/client/rpc-api/Cargo.toml
index 0947dc47819cd..30f6f24f04d09 100644
--- a/client/rpc-api/Cargo.toml
+++ b/client/rpc-api/Cargo.toml
@@ -21,7 +21,7 @@ jsonrpc-core-client = "15.1.0"
 jsonrpc-derive = "15.1.0"
 jsonrpc-pubsub = "15.1.0"
 log = "0.4.8"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 sp-core = { version = "2.0.0", path = "../../primitives/core" }
 sp-version = { version = "2.0.0", path = "../../primitives/version" }
 sp-runtime = { path = "../../primitives/runtime" , version = "2.0.0"}
diff --git a/client/rpc/Cargo.toml b/client/rpc/Cargo.toml
index e02d88f158b8e..5ccb15dedbc9e 100644
--- a/client/rpc/Cargo.toml
+++ b/client/rpc/Cargo.toml
@@ -39,7 +39,7 @@ sp-transaction-pool = { version = "2.0.0", path = "../../primitives/transaction-
 sp-blockchain = { version = "2.0.0", path = "../../primitives/blockchain" }
 sc-tracing = { version = "2.0.0", path = "../tracing" }
 hash-db = { version = "0.15.2", default-features = false }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 lazy_static = { version = "1.4.0", optional = true }
 
 [dev-dependencies]
diff --git a/client/service/Cargo.toml b/client/service/Cargo.toml
index 4350e1a2bf2a9..faf8201e29064 100644
--- a/client/service/Cargo.toml
+++ b/client/service/Cargo.toml
@@ -30,7 +30,7 @@ futures = { version = "0.3.4", features = ["compat"] }
 jsonrpc-pubsub = "15.1"
 jsonrpc-core = "15.1"
 rand = "0.7.3"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 lazy_static = "1.4.0"
 log = "0.4.11"
 slog = { version = "2.5.2", features = ["nested-values"] }
diff --git a/client/service/test/Cargo.toml b/client/service/test/Cargo.toml
index 84ac84e630d00..ccf122a7bcca3 100644
--- a/client/service/test/Cargo.toml
+++ b/client/service/test/Cargo.toml
@@ -18,7 +18,7 @@ tokio = "0.1.22"
 futures01 = { package = "futures", version = "0.1.29" }
 log = "0.4.8"
 fdlimit = "0.2.1"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 sc-light = { version = "2.0.0", path = "../../light" }
 sp-blockchain = { version = "2.0.0", path = "../../../primitives/blockchain" }
 sp-api = { version = "2.0.0", path = "../../../primitives/api" }
diff --git a/client/state-db/Cargo.toml b/client/state-db/Cargo.toml
index 18facd720db25..3f67924dd5277 100644
--- a/client/state-db/Cargo.toml
+++ b/client/state-db/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 thiserror = "1.0.21"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 log = "0.4.11"
 sc-client-api = { version = "2.0.0", path = "../api" }
 sp-core = { version = "2.0.0", path = "../../primitives/core" }
diff --git a/client/telemetry/Cargo.toml b/client/telemetry/Cargo.toml
index de8eea442ef7b..3affd8e984568 100644
--- a/client/telemetry/Cargo.toml
+++ b/client/telemetry/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 
 [dependencies]
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 futures = "0.3.4"
 futures-timer = "3.0.1"
 wasm-timer = "0.2.5"
diff --git a/client/tracing/Cargo.toml b/client/tracing/Cargo.toml
index 28eeab0bdf713..a5839ecc97554 100644
--- a/client/tracing/Cargo.toml
+++ b/client/tracing/Cargo.toml
@@ -19,7 +19,7 @@ erased-serde = "0.3.9"
 lazy_static = "1.4.0"
 log = { version = "0.4.8" }
 once_cell = "1.4.1"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 regex = "1.4.2"
 rustc-hash = "1.1.0"
 serde = "1.0.101"
diff --git a/client/transaction-pool/Cargo.toml b/client/transaction-pool/Cargo.toml
index a4d7bc685c99b..2f459e6a3bac5 100644
--- a/client/transaction-pool/Cargo.toml
+++ b/client/transaction-pool/Cargo.toml
@@ -20,7 +20,7 @@ futures-diagnose = "1.0"
 intervalier = "0.4.0"
 log = "0.4.8"
 parity-util-mem = { version = "0.7.0", default-features = false, features = ["primitive-types"] }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus", version = "0.8.0"}
 sc-client-api = { version = "2.0.0", path = "../api" }
 sc-transaction-graph = { version = "2.0.0", path = "./graph" }
diff --git a/client/transaction-pool/graph/Cargo.toml b/client/transaction-pool/graph/Cargo.toml
index 94c80c6f298a2..1bc54cfb90d11 100644
--- a/client/transaction-pool/graph/Cargo.toml
+++ b/client/transaction-pool/graph/Cargo.toml
@@ -17,7 +17,7 @@ derive_more = "0.99.2"
 thiserror = "1.0.21"
 futures = "0.3.4"
 log = "0.4.8"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 serde = { version = "1.0.101", features = ["derive"] }
 wasm-timer = "0.2"
 sp-blockchain = { version = "2.0.0", path = "../../../primitives/blockchain" }
diff --git a/frame/aura/Cargo.toml b/frame/aura/Cargo.toml
index 27a579e0f9f8b..4307c93a51869 100644
--- a/frame/aura/Cargo.toml
+++ b/frame/aura/Cargo.toml
@@ -31,7 +31,7 @@ pallet-timestamp = { version = "2.0.0", default-features = false, path = "../tim
 sp-core = { version = "2.0.0", default-features = false, path = "../../primitives/core" }
 sp-io ={ version = "2.0.0", path = "../../primitives/io" }
 lazy_static = "1.4.0"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 
 [features]
 default = ["std"]
diff --git a/frame/staking/Cargo.toml b/frame/staking/Cargo.toml
index 88b8c1270a4e1..ac029c07eb1d7 100644
--- a/frame/staking/Cargo.toml
+++ b/frame/staking/Cargo.toml
@@ -41,7 +41,7 @@ pallet-staking-reward-curve = { version = "2.0.0",  path = "../staking/reward-cu
 substrate-test-utils = { version = "2.0.0", path = "../../test-utils" }
 frame-benchmarking = { version = "2.0.0", path = "../benchmarking" }
 rand_chacha = { version = "0.2" }
-parking_lot = "0.10.2"
+parking_lot = "0.11.1"
 hex = "0.4"
 
 [features]
diff --git a/primitives/blockchain/Cargo.toml b/primitives/blockchain/Cargo.toml
index 3458b8c0846ba..137a8a79791f6 100644
--- a/primitives/blockchain/Cargo.toml
+++ b/primitives/blockchain/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 log = "0.4.11"
 lru = "0.6.1"
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 thiserror = "1.0.21"
 futures = "0.3"
 codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
diff --git a/primitives/consensus/common/Cargo.toml b/primitives/consensus/common/Cargo.toml
index f53e80aab79bb..360b3c6021a3c 100644
--- a/primitives/consensus/common/Cargo.toml
+++ b/primitives/consensus/common/Cargo.toml
@@ -30,7 +30,7 @@ sp-utils = { version = "2.0.0", path = "../../utils" }
 sp-trie = { version = "2.0.0", path = "../../trie" }
 sp-api = { version = "2.0.0", path = "../../api" }
 codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 serde = { version = "1.0", features = ["derive"] }
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus", version = "0.8.0"}
 wasm-timer = "0.2.5"
diff --git a/primitives/core/Cargo.toml b/primitives/core/Cargo.toml
index 1d0ff4f208282..3c75b0d910ebb 100644
--- a/primitives/core/Cargo.toml
+++ b/primitives/core/Cargo.toml
@@ -32,7 +32,7 @@ num-traits = { version = "0.2.8", default-features = false }
 zeroize = { version = "1.2.0", default-features = false }
 secrecy = { version = "0.7.0", default-features = false }
 lazy_static = { version = "1.4.0", default-features = false, optional = true }
-parking_lot = { version = "0.10.0", optional = true }
+parking_lot = { version = "0.11.1", optional = true }
 sp-debug-derive = { version = "2.0.0", path = "../debug-derive" }
 sp-externalities = { version = "0.8.0", optional = true, path = "../externalities" }
 sp-storage = { version = "2.0.0", default-features = false, path = "../storage" }
diff --git a/primitives/database/Cargo.toml b/primitives/database/Cargo.toml
index cc3fe7cd1b474..3f55b7dd0222d 100644
--- a/primitives/database/Cargo.toml
+++ b/primitives/database/Cargo.toml
@@ -11,5 +11,5 @@ documentation = "https://docs.rs/sp-database"
 readme = "README.md"
 
 [dependencies]
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 kvdb = "0.7.0"
diff --git a/primitives/inherents/Cargo.toml b/primitives/inherents/Cargo.toml
index fdece1f9d3d34..bb6b7bbff1ff4 100644
--- a/primitives/inherents/Cargo.toml
+++ b/primitives/inherents/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 
 [dependencies]
-parking_lot = { version = "0.10.0", optional = true }
+parking_lot = { version = "0.11.1", optional = true }
 sp-std = { version = "2.0.0", default-features = false, path = "../std" }
 sp-core = { version = "2.0.0", default-features = false, path = "../core" }
 codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
diff --git a/primitives/io/Cargo.toml b/primitives/io/Cargo.toml
index e65d75146d654..ce2173bd028e5 100644
--- a/primitives/io/Cargo.toml
+++ b/primitives/io/Cargo.toml
@@ -29,7 +29,7 @@ sp-externalities = { version = "0.8.0", optional = true, path = "../externalitie
 sp-tracing = { version = "2.0.0", default-features = false, path = "../tracing" }
 log = { version = "0.4.8", optional = true }
 futures = { version = "0.3.1", features = ["thread-pool"], optional = true }
-parking_lot = { version = "0.10.0", optional = true }
+parking_lot = { version = "0.11.1", optional = true }
 tracing = { version = "0.1.22", default-features = false }
 tracing-core = { version = "0.1.17", default-features = false}
 
diff --git a/primitives/keystore/Cargo.toml b/primitives/keystore/Cargo.toml
index deffc2ccf9d3a..2068a97356d42 100644
--- a/primitives/keystore/Cargo.toml
+++ b/primitives/keystore/Cargo.toml
@@ -19,7 +19,7 @@ codec = { package = "parity-scale-codec", version = "1.3.1", default-features =
 futures = { version = "0.3.1" }
 schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated", "u64_backend"], default-features = false }
 merlin = { version = "2.0", default-features = false }
-parking_lot = { version = "0.10.0", default-features = false }
+parking_lot = { version = "0.11.1", default-features = false }
 serde = { version = "1.0", optional = true}
 sp-core = { version = "2.0.0", path = "../core" }
 sp-externalities = { version = "0.8.0", path = "../externalities", default-features = false }
diff --git a/primitives/state-machine/Cargo.toml b/primitives/state-machine/Cargo.toml
index 95751bd4cb1d8..efc5b06eb31ad 100644
--- a/primitives/state-machine/Cargo.toml
+++ b/primitives/state-machine/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 log = { version = "0.4.11", optional = true }
 thiserror = { version = "1.0.21", optional = true }
-parking_lot = { version = "0.10.0", optional = true }
+parking_lot = { version = "0.11.1", optional = true }
 hash-db = { version = "0.15.2", default-features = false }
 trie-db = { version = "0.22.0", default-features = false }
 trie-root = { version = "0.16.0", default-features = false }
diff --git a/test-utils/runtime/transaction-pool/Cargo.toml b/test-utils/runtime/transaction-pool/Cargo.toml
index a37477fdae58f..c9d6d88e15ebe 100644
--- a/test-utils/runtime/transaction-pool/Cargo.toml
+++ b/test-utils/runtime/transaction-pool/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 substrate-test-runtime-client = { version = "2.0.0", path = "../client" }
-parking_lot = "0.10.0"
+parking_lot = "0.11.1"
 codec = { package = "parity-scale-codec", version = "1.3.1" }
 sp-blockchain = { version = "2.0.0", path = "../../../primitives/blockchain" }
 sp-runtime = { version = "2.0.0", path = "../../../primitives/runtime" }