diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index bf13b6eef8f39028bedb9f705c60e26d4fb2b06e..eff090e90f15bd0034c656f666e4f5b8450c78a0 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -11490,9 +11490,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.18.1"
+version = "1.18.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dce653fb475565de9f6fb0614b28bca8df2c430c0cf84bcd9c843f15de5414cc"
+checksum = "4903bf0427cf68dddd5aa6a93220756f8be0c34fcfa9f5e6191e103e15a31395"
 dependencies = [
  "bytes",
  "libc",
diff --git a/polkadot/Cargo.toml b/polkadot/Cargo.toml
index ebda68090af6df435ba6d7452a13cceb2dd18ab6..a8c9600861862a6d654bad152903a898c8e1f4c1 100644
--- a/polkadot/Cargo.toml
+++ b/polkadot/Cargo.toml
@@ -21,7 +21,7 @@ parity-util-mem = { version = "0.11.0", default-features = false, features = ["j
 assert_cmd = "2.0.4"
 nix = "0.24.1"
 tempfile = "3.2.0"
-tokio = "1.18.1"
+tokio = "1.18.2"
 remote-externalities = { git = "https://github.com/paritytech/substrate", branch = "master" }
 polkadot-core-primitives = { path = "core-primitives" }
 
diff --git a/polkadot/node/metrics/Cargo.toml b/polkadot/node/metrics/Cargo.toml
index eac665adf7d67d8aed9808c24d54bcad8dfe71ba..24727e9031d91b715dc2c82fbfcf53053d3709b5 100644
--- a/polkadot/node/metrics/Cargo.toml
+++ b/polkadot/node/metrics/Cargo.toml
@@ -28,7 +28,7 @@ assert_cmd = "2.0.4"
 nix = "0.24.1"
 tempfile = "3.2.0"
 hyper = { version = "0.14.18", default-features = false, features = ["http1", "tcp"] }
-tokio = "1.18.1"
+tokio = "1.18.2"
 polkadot-test-service = { path = "../test/service", features=["runtime-metrics"]}
 substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/node/test/service/Cargo.toml b/polkadot/node/test/service/Cargo.toml
index a0f521b8827df20aace3d1f3639869f41a591f87..129459cbc4334b92406c1b6b7b493d85e64fefdb 100644
--- a/polkadot/node/test/service/Cargo.toml
+++ b/polkadot/node/test/service/Cargo.toml
@@ -11,7 +11,7 @@ hex = "0.4.3"
 gum = { package = "tracing-gum", path = "../../gum" }
 rand = "0.8.5"
 tempfile = "3.2.0"
-tokio = "1.18.1"
+tokio = "1.18.2"
 
 # Polkadot dependencies
 polkadot-overseer = { path = "../../overseer" }
@@ -61,7 +61,7 @@ substrate-test-client = { git = "https://github.com/paritytech/substrate", branc
 pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 serde_json = "1.0.81"
 substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
-tokio = { version = "1.18.1", features = ["macros"] }
+tokio = { version = "1.18.2", features = ["macros"] }
 
 [features]
 runtime-metrics=["polkadot-test-runtime/runtime-metrics"]
diff --git a/polkadot/node/zombienet-backchannel/Cargo.toml b/polkadot/node/zombienet-backchannel/Cargo.toml
index 195e67624fa0854c333e15fe195caf0e2bc5a7a2..4257f784d79dbe335f5017e5c938c1d6ff33447c 100644
--- a/polkadot/node/zombienet-backchannel/Cargo.toml
+++ b/polkadot/node/zombienet-backchannel/Cargo.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 publish = false
 
 [dependencies]
-tokio = { version = "1.18.1", default-features = false, features = ["macros", "net", "rt-multi-thread", "sync"] }
+tokio = { version = "1.18.2", default-features = false, features = ["macros", "net", "rt-multi-thread", "sync"] }
 url = "2.0.0"
 tokio-tungstenite = "0.17"
 futures-util = "0.3.21"
diff --git a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
index 8b272f59f7d13f7dc8cf58c2bc9ca08a366690c4..6b6ee1065438ffb9f4191eaf9a183a9dd5133226 100644
--- a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
@@ -44,4 +44,4 @@ substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch
 sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
-tokio = { version = "1.18.1", features = ["macros"] }
+tokio = { version = "1.18.2", features = ["macros"] }
diff --git a/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml b/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml
index acc1a194a1323330bf4fd1e4b8bd947231f5b451..e13ee9a2417c2fb970676752c4b43655f0c97118 100644
--- a/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml
+++ b/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml
@@ -19,4 +19,4 @@ sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 clap = { version = "3.1", features = ["derive"] }
 log = "0.4.17"
-tokio = { version = "1.18.1", features = ["macros"] }
+tokio = { version = "1.18.2", features = ["macros"] }
diff --git a/polkadot/utils/staking-miner/Cargo.toml b/polkadot/utils/staking-miner/Cargo.toml
index 14b9055d0f198a469dd91802cc7c214e0ec7ea97..cbaeddc7e7f9804b5caf1f2c8aafc7cfbbb507c5 100644
--- a/polkadot/utils/staking-miner/Cargo.toml
+++ b/polkadot/utils/staking-miner/Cargo.toml
@@ -14,7 +14,7 @@ paste = "1.0.7"
 serde = "1.0.137"
 serde_json = "1.0"
 thiserror = "1.0.31"
-tokio = { version = "1.18.1", features = ["macros", "rt-multi-thread", "sync"] }
+tokio = { version = "1.18.2", features = ["macros", "rt-multi-thread", "sync"] }
 
 remote-externalities = { git = "https://github.com/paritytech/substrate", branch = "master" }