diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index b323ea7b41..37fa563141 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -10891,9 +10891,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.15.0"
+version = "1.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbbf1c778ec206785635ce8ad57fe52b3009ae9e0c9f574a728f3049d3e55838"
+checksum = "0c27a64b625de6d309e8c57716ba93021dccf1b3b5c97edd6d3dd2d2135afc0a"
 dependencies = [
  "bytes 1.1.0",
  "libc",
diff --git a/polkadot/Cargo.toml b/polkadot/Cargo.toml
index 9fe7df4c1a..885dc83020 100644
--- a/polkadot/Cargo.toml
+++ b/polkadot/Cargo.toml
@@ -21,7 +21,7 @@ parity-util-mem = { version = "*", default-features = false, features = ["jemall
 assert_cmd = "2.0.4"
 nix = "0.23.1"
 tempfile = "3.2.0"
-tokio = "1.15.0"
+tokio = "1.16.1"
 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 5f7ca271f7..822bd54e01 100644
--- a/polkadot/node/metrics/Cargo.toml
+++ b/polkadot/node/metrics/Cargo.toml
@@ -28,7 +28,7 @@ assert_cmd = "2.0.4"
 nix = "0.23.1"
 tempfile = "3.2.0"
 hyper = { version = "0.14.17", default-features = false, features = ["http1", "tcp"] }
-tokio = "1.13"
+tokio = "1.16"
 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 8df9073019..3d2912a9d3 100644
--- a/polkadot/node/test/service/Cargo.toml
+++ b/polkadot/node/test/service/Cargo.toml
@@ -11,7 +11,7 @@ hex = "0.4.3"
 tracing = "0.1.30"
 rand = "0.8.3"
 tempfile = "3.2.0"
-tokio = "1.15.0"
+tokio = "1.16.1"
 
 # 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 = "1.0.78"
 substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
-tokio = { version = "1.15", features = ["macros"] }
+tokio = { version = "1.16", 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 c973b13d28..1e58557922 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 = "1.0.0", default-features = false, features = ["macros", "net", "rt-multi-thread", "sync"] }
+tokio = { version = "1.16.1", default-features = false, features = ["macros", "net", "rt-multi-thread", "sync"] }
 url = "2.0.0"
 tokio-tungstenite = "0.16"
 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 8b7f3bd216..4859d4655c 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 = "1.15", features = ["macros"] }
+tokio = { version = "1.16", features = ["macros"] }
diff --git a/polkadot/utils/staking-miner/Cargo.toml b/polkadot/utils/staking-miner/Cargo.toml
index c4486e0307..685ea333c0 100644
--- a/polkadot/utils/staking-miner/Cargo.toml
+++ b/polkadot/utils/staking-miner/Cargo.toml
@@ -14,7 +14,7 @@ paste = "1.0.6"
 serde = "1.0.136"
 serde_json = "1.0"
 thiserror = "1.0.30"
-tokio = { version = "1.15", features = ["macros", "rt-multi-thread", "sync"] }
+tokio = { version = "1.16", features = ["macros", "rt-multi-thread", "sync"] }
 
 remote-externalities = { git = "https://github.com/paritytech/substrate", branch = "master" }