diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 0364fafd25..4ff6fc1974 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -480,7 +480,7 @@ dependencies = [
  "futures 0.3.16",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-client-api",
  "sc-keystore",
  "sc-network",
@@ -1871,7 +1871,7 @@ dependencies = [
  "log 0.4.14",
  "num-traits",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.8.4",
  "scale-info",
 ]
@@ -3097,7 +3097,7 @@ dependencies = [
  "jsonrpc-server-utils",
  "log 0.4.14",
  "net2",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "unicase 2.6.0",
 ]
 
@@ -3112,7 +3112,7 @@ dependencies = [
  "jsonrpc-server-utils",
  "log 0.4.14",
  "parity-tokio-ipc",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "tower-service",
 ]
 
@@ -3126,7 +3126,7 @@ dependencies = [
  "jsonrpc-core",
  "lazy_static",
  "log 0.4.14",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.7.3",
  "serde",
 ]
@@ -3160,7 +3160,7 @@ dependencies = [
  "jsonrpc-server-utils",
  "log 0.4.14",
  "parity-ws",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "slab",
 ]
 
@@ -3297,7 +3297,7 @@ checksum = "c3b6b85fc643f5acd0bffb2cc8a6d150209379267af0d41db72170021841f9f5"
 dependencies = [
  "kvdb",
  "parity-util-mem",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
 ]
 
 [[package]]
@@ -3312,7 +3312,7 @@ dependencies = [
  "num_cpus",
  "owning_ref",
  "parity-util-mem",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "regex",
  "rocksdb",
  "smallvec 1.7.0",
@@ -3431,7 +3431,7 @@ dependencies = [
  "libp2p-websocket",
  "libp2p-yamux",
  "multiaddr",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pin-project 1.0.8",
  "smallvec 1.7.0",
  "wasm-timer",
@@ -3456,7 +3456,7 @@ dependencies = [
  "multiaddr",
  "multihash 0.14.0",
  "multistream-select",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pin-project 1.0.8",
  "prost",
  "prost-build",
@@ -3630,7 +3630,7 @@ dependencies = [
  "libp2p-core",
  "log 0.4.14",
  "nohash-hasher",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.7.3",
  "smallvec 1.7.0",
  "unsigned-varint 0.7.0",
@@ -3863,7 +3863,7 @@ checksum = "4e7362abb8867d7187e7e93df17f460d554c997fc5c8ac57dc1259057f6889af"
 dependencies = [
  "futures 0.3.16",
  "libp2p-core",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "thiserror",
  "yamux",
 ]
@@ -4000,9 +4000,9 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.4.2"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
+checksum = "712a4d093c9976e24e7dbca41db895dabcbac38eb5f4045393d17a95bdfb1109"
 dependencies = [
  "scopeguard",
 ]
@@ -5540,7 +5540,7 @@ dependencies = [
  "log 0.4.14",
  "pallet-balances",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.7.3",
  "scale-info",
  "sp-arithmetic",
@@ -6315,7 +6315,7 @@ dependencies = [
  "log 0.4.14",
  "lz4",
  "memmap2 0.2.1",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.8.4",
  "snap",
 ]
@@ -6376,7 +6376,7 @@ dependencies = [
  "hashbrown 0.11.2",
  "impl-trait-for-tuples",
  "parity-util-mem-derive",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "primitive-types",
  "smallvec 1.7.0",
  "winapi 0.3.9",
@@ -6445,13 +6445,13 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.11.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
 dependencies = [
  "instant",
- "lock_api 0.4.2",
- "parking_lot_core 0.8.3",
+ "lock_api 0.4.5",
+ "parking_lot_core 0.8.5",
 ]
 
 [[package]]
@@ -6471,14 +6471,14 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa7a782938e745763fe6907fc6ba86946d72f49fe7e21de074e08128a99fb018"
+checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
 dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall 0.2.5",
+ "redox_syscall 0.2.10",
  "smallvec 1.7.0",
  "winapi 0.3.9",
 ]
@@ -6863,7 +6863,7 @@ dependencies = [
  "fnv",
  "lazy_static",
  "memchr",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "thiserror",
 ]
 
@@ -7259,9 +7259,9 @@ checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.5"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94341e4e44e24f6b591b59e47a8a027df12e008d73fd5672dbea9cc22f4507d9"
+checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
 dependencies = [
  "bitflags",
 ]
@@ -7273,7 +7273,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
 dependencies = [
  "getrandom 0.2.3",
- "redox_syscall 0.2.5",
+ "redox_syscall 0.2.10",
 ]
 
 [[package]]
@@ -7626,7 +7626,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-block-builder",
  "sc-client-api",
  "sc-proposer-metrics",
@@ -7732,7 +7732,7 @@ dependencies = [
  "hash-db",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-executor",
  "sc-transaction-pool-api",
  "sc-utils",
@@ -7765,7 +7765,7 @@ dependencies = [
  "log 0.4.14",
  "parity-db",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "quickcheck",
  "sc-client-api",
  "sc-state-db",
@@ -7790,7 +7790,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "libp2p",
  "log 0.4.14",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-client-api",
  "sc-utils",
  "serde",
@@ -7815,7 +7815,7 @@ dependencies = [
  "getrandom 0.2.3",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-block-builder",
  "sc-client-api",
  "sc-consensus",
@@ -7857,7 +7857,7 @@ dependencies = [
  "num-rational 0.2.4",
  "num-traits",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.7.3",
  "rand_chacha 0.2.2",
  "retain_mut",
@@ -7981,7 +7981,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-client-api",
  "sc-consensus",
  "sp-api",
@@ -8041,7 +8041,7 @@ dependencies = [
  "log 0.4.14",
  "lru 0.6.6",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "paste 1.0.6",
  "regex",
  "sc-executor-common",
@@ -8138,7 +8138,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.8.4",
  "sc-block-builder",
  "sc-client-api",
@@ -8217,7 +8217,7 @@ dependencies = [
  "async-trait",
  "derive_more",
  "hex",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "serde_json",
  "sp-application-crypto",
  "sp-core",
@@ -8250,7 +8250,7 @@ dependencies = [
  "log 0.4.14",
  "lru 0.7.0",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pin-project 1.0.8",
  "prost",
  "prost-build",
@@ -8310,7 +8310,7 @@ dependencies = [
  "futures-timer 3.0.2",
  "libp2p",
  "log 0.4.14",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.7.3",
  "sc-block-builder",
  "sc-client-api",
@@ -8342,7 +8342,7 @@ dependencies = [
  "num_cpus",
  "once_cell",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.7.3",
  "sc-block-builder",
  "sc-client-api",
@@ -8396,7 +8396,7 @@ dependencies = [
  "lazy_static",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-block-builder",
  "sc-chain-spec",
  "sc-client-api",
@@ -8432,7 +8432,7 @@ dependencies = [
  "jsonrpc-pubsub",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-chain-spec",
  "sc-transaction-pool-api",
  "serde",
@@ -8491,7 +8491,7 @@ dependencies = [
  "log 0.4.14",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pin-project 1.0.8",
  "rand 0.7.3",
  "sc-block-builder",
@@ -8551,7 +8551,7 @@ dependencies = [
  "hex-literal",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-block-builder",
  "sc-client-api",
  "sc-client-db",
@@ -8585,7 +8585,7 @@ dependencies = [
  "parity-scale-codec",
  "parity-util-mem",
  "parity-util-mem-derive",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-client-api",
  "sp-core",
 ]
@@ -8619,7 +8619,7 @@ dependencies = [
  "futures 0.3.16",
  "libp2p",
  "log 0.4.14",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pin-project 1.0.8",
  "rand 0.7.3",
  "serde",
@@ -8640,7 +8640,7 @@ dependencies = [
  "libc",
  "log 0.4.14",
  "once_cell",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "regex",
  "rustc-hash",
  "sc-client-api",
@@ -8682,7 +8682,7 @@ dependencies = [
  "log 0.4.14",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "retain_mut",
  "sc-block-builder",
  "sc-client-api",
@@ -9294,7 +9294,7 @@ dependencies = [
  "log 0.4.14",
  "lru 0.7.0",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sp-api",
  "sp-consensus",
  "sp-database",
@@ -9418,7 +9418,7 @@ dependencies = [
  "num-traits",
  "parity-scale-codec",
  "parity-util-mem",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "primitive-types",
  "rand 0.7.3",
  "regex",
@@ -9473,7 +9473,7 @@ name = "sp-database"
 version = "4.0.0-dev"
 dependencies = [
  "kvdb",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
 ]
 
 [[package]]
@@ -9535,7 +9535,7 @@ dependencies = [
  "libsecp256k1",
  "log 0.4.14",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sp-core",
  "sp-externalities",
  "sp-keystore",
@@ -9568,7 +9568,7 @@ dependencies = [
  "futures 0.3.16",
  "merlin",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.7.3",
  "rand_chacha 0.2.2",
  "schnorrkel",
@@ -9809,7 +9809,7 @@ dependencies = [
  "log 0.4.14",
  "num-traits",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pretty_assertions",
  "rand 0.7.3",
  "smallvec 1.7.0",
@@ -10263,7 +10263,7 @@ dependencies = [
  "derive_more",
  "futures 0.3.16",
  "parity-scale-codec",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "sc-transaction-pool",
  "sc-transaction-pool-api",
  "sp-blockchain",
@@ -10371,7 +10371,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "libc",
  "rand 0.8.4",
- "redox_syscall 0.2.5",
+ "redox_syscall 0.2.10",
  "remove_dir_all",
  "winapi 0.3.9",
 ]
@@ -10576,7 +10576,7 @@ dependencies = [
  "mio 0.7.13",
  "num_cpus",
  "once_cell",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pin-project-lite 0.2.6",
  "signal-hook-registry",
  "tokio-macros",
@@ -10815,7 +10815,7 @@ dependencies = [
  "chrono",
  "lazy_static",
  "matchers",
- "parking_lot 0.11.1",
+ "parking_lot 0.9.0",
  "regex",
  "serde",
  "serde_json",
@@ -10924,7 +10924,7 @@ dependencies = [
  "lazy_static",
  "log 0.4.14",
  "lru-cache",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "resolv-conf",
  "smallvec 1.7.0",
  "thiserror",
@@ -11324,7 +11324,7 @@ checksum = "be0ecb0db480561e9a7642b5d3e4187c128914e58aa84330b9493e3eb68c5e7f"
 dependencies = [
  "futures 0.3.16",
  "js-sys",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "pin-utils",
  "wasm-bindgen",
  "wasm-bindgen-futures",
@@ -11920,7 +11920,7 @@ dependencies = [
  "futures 0.3.16",
  "log 0.4.14",
  "nohash-hasher",
- "parking_lot 0.11.1",
+ "parking_lot 0.11.2",
  "rand 0.8.4",
  "static_assertions",
 ]
diff --git a/substrate/client/api/Cargo.toml b/substrate/client/api/Cargo.toml
index 4738a7d611..f1d3969ec2 100644
--- a/substrate/client/api/Cargo.toml
+++ b/substrate/client/api/Cargo.toml
@@ -25,7 +25,7 @@ futures = "0.3.1"
 hash-db = { version = "0.15.2", default-features = false }
 sp-blockchain = { version = "4.0.0-dev", path = "../../primitives/blockchain" }
 log = "0.4.8"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 sp-database = { version = "4.0.0-dev", path = "../../primitives/database" }
 sp-core = { version = "4.1.0-dev", default-features = false, path = "../../primitives/core" }
 sp-keystore = { version = "0.10.0", default-features = false, path = "../../primitives/keystore" }
diff --git a/substrate/client/basic-authorship/Cargo.toml b/substrate/client/basic-authorship/Cargo.toml
index 4b4627cb6e..26a2defbbb 100644
--- a/substrate/client/basic-authorship/Cargo.toml
+++ b/substrate/client/basic-authorship/Cargo.toml
@@ -33,4 +33,4 @@ sc-proposer-metrics = { version = "0.10.0-dev", path = "../proposer-metrics" }
 [dev-dependencies]
 sc-transaction-pool = { version = "4.0.0-dev", path = "../transaction-pool" }
 substrate-test-runtime-client = { version = "2.0.0", path = "../../test-utils/runtime/client" }
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
diff --git a/substrate/client/consensus/aura/Cargo.toml b/substrate/client/consensus/aura/Cargo.toml
index 05f0d3804e..e9c897de5d 100644
--- a/substrate/client/consensus/aura/Cargo.toml
+++ b/substrate/client/consensus/aura/Cargo.toml
@@ -48,4 +48,4 @@ sc-network = { version = "0.10.0-dev", path = "../../network" }
 sc-network-test = { version = "0.8.0", path = "../../network/test" }
 substrate-test-runtime-client = { version = "2.0.0", path = "../../../test-utils/runtime/client" }
 tempfile = "3.1.0"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
diff --git a/substrate/client/consensus/babe/Cargo.toml b/substrate/client/consensus/babe/Cargo.toml
index 634c987444..c96d648846 100644
--- a/substrate/client/consensus/babe/Cargo.toml
+++ b/substrate/client/consensus/babe/Cargo.toml
@@ -44,7 +44,7 @@ sp-runtime = { version = "4.0.0", path = "../../../primitives/runtime" }
 fork-tree = { version = "3.0.0", path = "../../../utils/fork-tree" }
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus", version = "0.10.0-dev" }
 futures = "0.3.9"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 log = "0.4.8"
 schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated"] }
 rand = "0.7.2"
diff --git a/substrate/client/consensus/common/Cargo.toml b/substrate/client/consensus/common/Cargo.toml
index 9d2323b757..0ca0c56758 100644
--- a/substrate/client/consensus/common/Cargo.toml
+++ b/substrate/client/consensus/common/Cargo.toml
@@ -26,7 +26,7 @@ sp-state-machine = { version = "0.10.0", path = "../../../primitives/state-machi
 sp-runtime = { version = "4.0.0", path = "../../../primitives/runtime" }
 sc-utils = { version = "4.0.0-dev", path = "../../utils" }
 sp-api = { version = "4.0.0-dev", path = "../../../primitives/api" }
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 serde = { version = "1.0", features = ["derive"] }
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus", version = "0.10.0-dev" }
 async-trait = "0.1.42"
diff --git a/substrate/client/consensus/pow/Cargo.toml b/substrate/client/consensus/pow/Cargo.toml
index 00ee58c212..19cc5135de 100644
--- a/substrate/client/consensus/pow/Cargo.toml
+++ b/substrate/client/consensus/pow/Cargo.toml
@@ -27,7 +27,7 @@ sc-consensus = { version = "0.10.0-dev", path = "../../../client/consensus/commo
 log = "0.4.8"
 futures = "0.3.16"
 futures-timer = "3.0.1"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 derive_more = "0.99.16"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus", version = "0.10.0-dev"}
 async-trait = "0.1.50"
diff --git a/substrate/client/db/Cargo.toml b/substrate/client/db/Cargo.toml
index 80ba026de3..5acc7e9df8 100644
--- a/substrate/client/db/Cargo.toml
+++ b/substrate/client/db/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 log = "0.4.8"
 kvdb = "0.10.0"
 kvdb-rocksdb = { version = "0.14.0", optional = true }
diff --git a/substrate/client/executor/Cargo.toml b/substrate/client/executor/Cargo.toml
index a87a382913..09f10a9753 100644
--- a/substrate/client/executor/Cargo.toml
+++ b/substrate/client/executor/Cargo.toml
@@ -30,7 +30,7 @@ sp-externalities = { version = "0.10.0", path = "../../primitives/externalities"
 sc-executor-common = { version = "0.10.0-dev", path = "common" }
 sc-executor-wasmi = { version = "0.10.0-dev", path = "wasmi" }
 sc-executor-wasmtime = { version = "0.10.0-dev", path = "wasmtime", optional = true }
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 log = "0.4.8"
 libsecp256k1 = "0.7"
 sp-core-hashing-proc-macro = { version = "4.0.0-dev", path = "../../primitives/core/hashing/proc-macro" }
diff --git a/substrate/client/finality-grandpa/Cargo.toml b/substrate/client/finality-grandpa/Cargo.toml
index 2ddd4f7651..e296c5a4e3 100644
--- a/substrate/client/finality-grandpa/Cargo.toml
+++ b/substrate/client/finality-grandpa/Cargo.toml
@@ -21,7 +21,7 @@ fork-tree = { version = "3.0.0", path = "../../utils/fork-tree" }
 futures = "0.3.9"
 futures-timer = "3.0.1"
 log = "0.4.8"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 rand = "0.8.4"
 parity-scale-codec = { version = "2.3.1", features = ["derive"] }
 sp-application-crypto = { version = "4.0.0", path = "../../primitives/application-crypto" }
diff --git a/substrate/client/keystore/Cargo.toml b/substrate/client/keystore/Cargo.toml
index abdd4ac372..b4c684a206 100644
--- a/substrate/client/keystore/Cargo.toml
+++ b/substrate/client/keystore/Cargo.toml
@@ -21,7 +21,7 @@ sp-application-crypto = { version = "4.0.0", path = "../../primitives/applicatio
 sp-core = { version = "4.1.0-dev", path = "../../primitives/core" }
 sp-keystore = { version = "0.10.0", path = "../../primitives/keystore" }
 hex = "0.4.0"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 serde_json = "1.0.71"
 
 [dev-dependencies]
diff --git a/substrate/client/network/Cargo.toml b/substrate/client/network/Cargo.toml
index 95f84f493b..643b244020 100644
--- a/substrate/client/network/Cargo.toml
+++ b/substrate/client/network/Cargo.toml
@@ -38,7 +38,7 @@ linked-hash-map = "0.5.4"
 linked_hash_set = "0.1.3"
 lru = "0.7.0"
 log = "0.4.8"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 pin-project = "1.0.8"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", version = "0.10.0-dev", path = "../../utils/prometheus" }
 prost = "0.9"
diff --git a/substrate/client/network/test/Cargo.toml b/substrate/client/network/test/Cargo.toml
index fd9e9e2f7e..e2e46a27b2 100644
--- a/substrate/client/network/test/Cargo.toml
+++ b/substrate/client/network/test/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 async-std = "1.10.0"
 sc-network = { version = "0.10.0-dev", path = "../" }
 log = "0.4.8"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 futures = "0.3.9"
 futures-timer = "3.0.1"
 rand = "0.7.2"
diff --git a/substrate/client/offchain/Cargo.toml b/substrate/client/offchain/Cargo.toml
index 5ed182d6cf..4271c7f5d2 100644
--- a/substrate/client/offchain/Cargo.toml
+++ b/substrate/client/offchain/Cargo.toml
@@ -20,7 +20,7 @@ fnv = "1.0.6"
 futures = "0.3.16"
 futures-timer = "3.0.2"
 num_cpus = "1.10"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 rand = "0.7.2"
 sc-client-api = { version = "4.0.0-dev", path = "../api" }
 sc-network = { version = "0.10.0-dev", path = "../network" }
diff --git a/substrate/client/rpc-api/Cargo.toml b/substrate/client/rpc-api/Cargo.toml
index 18f499c514..2e75dd460b 100644
--- a/substrate/client/rpc-api/Cargo.toml
+++ b/substrate/client/rpc-api/Cargo.toml
@@ -20,7 +20,7 @@ jsonrpc-core-client = "18.0.0"
 jsonrpc-derive = "18.0.0"
 jsonrpc-pubsub = "18.0.0"
 log = "0.4.8"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 thiserror = "1.0"
 
 sp-core = { version = "4.1.0-dev", path = "../../primitives/core" }
diff --git a/substrate/client/rpc/Cargo.toml b/substrate/client/rpc/Cargo.toml
index 707fbf75f7..b8829dca87 100644
--- a/substrate/client/rpc/Cargo.toml
+++ b/substrate/client/rpc/Cargo.toml
@@ -35,7 +35,7 @@ sc-block-builder = { version = "0.10.0-dev", path = "../block-builder" }
 sp-blockchain = { version = "4.0.0-dev", path = "../../primitives/blockchain" }
 sc-tracing = { version = "4.0.0-dev", path = "../tracing" }
 hash-db = { version = "0.15.2", default-features = false }
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 lazy_static = { version = "1.4.0", optional = true }
 sc-transaction-pool-api = { version = "4.0.0-dev", path = "../transaction-pool/api" }
 
diff --git a/substrate/client/service/Cargo.toml b/substrate/client/service/Cargo.toml
index 6d96cafec2..e81125fc91 100644
--- a/substrate/client/service/Cargo.toml
+++ b/substrate/client/service/Cargo.toml
@@ -27,7 +27,7 @@ futures = "0.3.16"
 jsonrpc-pubsub = "18.0"
 jsonrpc-core = "18.0"
 rand = "0.7.3"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 log = "0.4.11"
 futures-timer = "3.0.1"
 exit-future = "0.2.0"
diff --git a/substrate/client/service/test/Cargo.toml b/substrate/client/service/test/Cargo.toml
index 113ed0d080..a8088ebb08 100644
--- a/substrate/client/service/test/Cargo.toml
+++ b/substrate/client/service/test/Cargo.toml
@@ -18,7 +18,7 @@ tempfile = "3.1.0"
 tokio = { version = "1.13.0", features = ["time"] }
 log = "0.4.8"
 fdlimit = "0.2.1"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain" }
 sp-api = { version = "4.0.0-dev", path = "../../../primitives/api" }
 sp-state-machine = { version = "0.10.0", path = "../../../primitives/state-machine" }
diff --git a/substrate/client/state-db/Cargo.toml b/substrate/client/state-db/Cargo.toml
index 6a5b851623..fbde840fbb 100644
--- a/substrate/client/state-db/Cargo.toml
+++ b/substrate/client/state-db/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 log = "0.4.11"
 sc-client-api = { version = "4.0.0-dev", path = "../api" }
 sp-core = { version = "4.1.0-dev", path = "../../primitives/core" }
diff --git a/substrate/client/telemetry/Cargo.toml b/substrate/client/telemetry/Cargo.toml
index 73efdbc039..af7b1d0a06 100644
--- a/substrate/client/telemetry/Cargo.toml
+++ b/substrate/client/telemetry/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 
 [dependencies]
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 futures = "0.3.9"
 wasm-timer = "0.2.5"
 libp2p = { version = "0.40.0", default-features = false, features = ["dns-async-std", "tcp-async-io", "wasm-ext", "websocket"] }
diff --git a/substrate/client/tracing/Cargo.toml b/substrate/client/tracing/Cargo.toml
index 137cab5546..c4fdcde3f0 100644
--- a/substrate/client/tracing/Cargo.toml
+++ b/substrate/client/tracing/Cargo.toml
@@ -20,7 +20,7 @@ lazy_static = "1.4.0"
 libc = "0.2.105"
 log = { version = "0.4.8" }
 once_cell = "1.8.0"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 regex = "1.5.4"
 rustc-hash = "1.1.0"
 serde = "1.0.126"
diff --git a/substrate/client/transaction-pool/Cargo.toml b/substrate/client/transaction-pool/Cargo.toml
index 9aaaaa36a2..6439a18543 100644
--- a/substrate/client/transaction-pool/Cargo.toml
+++ b/substrate/client/transaction-pool/Cargo.toml
@@ -19,7 +19,7 @@ futures = "0.3.16"
 intervalier = "0.4.0"
 log = "0.4.8"
 parity-util-mem = { version = "0.10.2", default-features = false, features = ["primitive-types"] }
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus", version = "0.10.0-dev"}
 sc-client-api = { version = "4.0.0-dev", path = "../api" }
 sp-api = { version = "4.0.0-dev", path = "../../primitives/api" }
diff --git a/substrate/frame/election-provider-multi-phase/Cargo.toml b/substrate/frame/election-provider-multi-phase/Cargo.toml
index 72ec62f321..75a1ed0838 100644
--- a/substrate/frame/election-provider-multi-phase/Cargo.toml
+++ b/substrate/frame/election-provider-multi-phase/Cargo.toml
@@ -41,7 +41,7 @@ strum = { optional = true, version = "0.22.0" }
 strum_macros = { optional = true, version = "0.22.0" }
 
 [dev-dependencies]
-parking_lot = "0.11.0"
+parking_lot = "0.11.2"
 rand = { version = "0.7.3" }
 sp-core = { version = "4.1.0-dev", default-features = false, path = "../../primitives/core" }
 sp-io = { version = "4.0.0-dev", path = "../../primitives/io" }
diff --git a/substrate/primitives/blockchain/Cargo.toml b/substrate/primitives/blockchain/Cargo.toml
index 6eeacf5f26..57732c360b 100644
--- a/substrate/primitives/blockchain/Cargo.toml
+++ b/substrate/primitives/blockchain/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 log = "0.4.11"
 lru = "0.7.0"
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 thiserror = "1.0.30"
 futures = "0.3.9"
 codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false, features = ["derive"] }
diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index 330dd57e81..2922c8b940 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -38,7 +38,7 @@ num-traits = { version = "0.2.8", default-features = false }
 zeroize = { version = "1.4.2", default-features = false }
 secrecy = { version = "0.8.0", default-features = false }
 lazy_static = { version = "1.4.0", default-features = false, optional = true }
-parking_lot = { version = "0.11.1", optional = true }
+parking_lot = { version = "0.11.2", optional = true }
 sp-std = { version = "4.0.0", default-features = false, path = "../std" }
 sp-debug-derive = { version = "4.0.0", default-features = false, path = "../debug-derive" }
 sp-storage = { version = "4.0.0", default-features = false, path = "../storage" }
diff --git a/substrate/primitives/database/Cargo.toml b/substrate/primitives/database/Cargo.toml
index 94e16f3cfb..6c3eea9aa1 100644
--- a/substrate/primitives/database/Cargo.toml
+++ b/substrate/primitives/database/Cargo.toml
@@ -11,6 +11,6 @@ documentation = "https://docs.rs/sp-database"
 readme = "README.md"
 
 [dependencies]
-parking_lot = "0.11.1"
+parking_lot = "0.11.2"
 kvdb = "0.10.0"
 
diff --git a/substrate/primitives/io/Cargo.toml b/substrate/primitives/io/Cargo.toml
index 9f95eb40a4..ee3c9e8945 100644
--- a/substrate/primitives/io/Cargo.toml
+++ b/substrate/primitives/io/Cargo.toml
@@ -29,7 +29,7 @@ sp-externalities = { version = "0.10.0", optional = true, path = "../externaliti
 sp-tracing = { version = "4.0.0", 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 = "0.11.1", optional = true }
+parking_lot = { version = "0.11.2", optional = true }
 tracing = { version = "0.1.29", default-features = false }
 tracing-core = { version = "0.1.17", default-features = false}
 
diff --git a/substrate/primitives/keystore/Cargo.toml b/substrate/primitives/keystore/Cargo.toml
index dea78c6124..e918f5d2c6 100644
--- a/substrate/primitives/keystore/Cargo.toml
+++ b/substrate/primitives/keystore/Cargo.toml
@@ -19,7 +19,7 @@ codec = { package = "parity-scale-codec", version = "2.0.0", 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 = "0.11.1", default-features = false }
+parking_lot = { version = "0.11.2", default-features = false }
 serde = { version = "1.0", optional = true}
 sp-core = { version = "4.1.0-dev", path = "../core" }
 sp-externalities = { version = "0.10.0", path = "../externalities", default-features = false }
diff --git a/substrate/primitives/state-machine/Cargo.toml b/substrate/primitives/state-machine/Cargo.toml
index 7ca76ed583..2c84b9186d 100644
--- a/substrate/primitives/state-machine/Cargo.toml
+++ b/substrate/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 = "1.0.30", optional = true }
-parking_lot = { version = "0.11.1", optional = true }
+parking_lot = { version = "0.11.2", optional = true }
 hash-db = { version = "0.15.2", default-features = false }
 trie-db = { version = "0.22.6", default-features = false }
 trie-root = { version = "0.16.0", default-features = false }
diff --git a/substrate/test-utils/runtime/transaction-pool/Cargo.toml b/substrate/test-utils/runtime/transaction-pool/Cargo.toml
index c1794d288e..a0d04bd702 100644
--- a/substrate/test-utils/runtime/transaction-pool/Cargo.toml
+++ b/substrate/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 = "0.11.1"
+parking_lot = "0.11.2"
 codec = { package = "parity-scale-codec", version = "2.0.0" }
 sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain" }
 sp-runtime = { version = "4.0.0", path = "../../../primitives/runtime" }