diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index efccb7b474..7b62800353 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -10689,9 +10689,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4efe6fc2395938c8155973d7be49fe8d03a843726e285e100a8a383cc0154ce"
+checksum = "c2c2416fdedca8443ae44b4527de1ea633af61d8f7169ffa6e72c5b53d24efcc"
 dependencies = [
  "autocfg",
  "bytes 1.0.1",
diff --git a/polkadot/node/test/service/Cargo.toml b/polkadot/node/test/service/Cargo.toml
index 56517c89a5..06bd67d516 100644
--- a/polkadot/node/test/service/Cargo.toml
+++ b/polkadot/node/test/service/Cargo.toml
@@ -11,7 +11,7 @@ hex = "0.4.3"
 tracing = "0.1.27"
 rand = "0.8.3"
 tempfile = "3.2.0"
-tokio = "1.10.0"
+tokio = "1.12.0"
 
 # Polkadot dependencies
 polkadot-overseer = { path = "../../overseer" }
@@ -60,4 +60,4 @@ 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 = "1.0.67"
 substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
-tokio = { version = "1.11", features = ["macros"] }
+tokio = { version = "1.12", features = ["macros"] }
diff --git a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
index 20bc3a1c4b..281329528b 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 = "1.11", features = ["macros"] }
+tokio = { version = "1.12", features = ["macros"] }
diff --git a/polkadot/utils/staking-miner/Cargo.toml b/polkadot/utils/staking-miner/Cargo.toml
index c1eccc1a80..21ab164470 100644
--- a/polkadot/utils/staking-miner/Cargo.toml
+++ b/polkadot/utils/staking-miner/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.0.0" }
-tokio = { version = "1.11", features = ["macros"] }
+tokio = { version = "1.12", features = ["macros"] }
 log = "0.4.11"
 env_logger = "0.9.0"
 structopt = "0.3.23"