diff --git a/Cargo.lock b/Cargo.lock
index 0dc2f9de533a..2f3ef986c5ec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -236,7 +236,7 @@ dependencies = [
  "parking",
  "polling",
  "slab",
- "socket2 0.4.2",
+ "socket2 0.4.4",
  "waker-fn",
  "winapi 0.3.9",
 ]
@@ -2680,7 +2680,7 @@ dependencies = [
  "httpdate",
  "itoa 1.0.1",
  "pin-project-lite 0.2.7",
- "socket2 0.4.2",
+ "socket2 0.4.4",
  "tokio",
  "tower-service",
  "tracing",
@@ -3398,9 +3398,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.119"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
 
 [[package]]
 name = "libgit2-sys"
@@ -3644,7 +3644,7 @@ dependencies = [
  "log",
  "rand 0.8.5",
  "smallvec",
- "socket2 0.4.2",
+ "socket2 0.4.4",
  "void",
 ]
 
@@ -3852,7 +3852,7 @@ dependencies = [
  "libc",
  "libp2p-core",
  "log",
- "socket2 0.4.2",
+ "socket2 0.4.4",
 ]
 
 [[package]]
@@ -4284,9 +4284,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.14"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
+checksum = "ba272f85fa0b41fc91872be579b3bbe0f56b792aa361a380eb669469f68dafb2"
 dependencies = [
  "libc",
  "log",
@@ -9658,9 +9658,9 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dc90fe6c7be1a323296982db1836d1ea9e47b6839496dde9a541bc496df3516"
+checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
 dependencies = [
  "libc",
  "winapi 0.3.9",
@@ -10908,19 +10908,20 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.16.1"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c27a64b625de6d309e8c57716ba93021dccf1b3b5c97edd6d3dd2d2135afc0a"
+checksum = "2af73ac49756f3f7c01172e34a23e5d0216f6c32333757c2c61feb2bbff5a5ee"
 dependencies = [
  "bytes 1.1.0",
  "libc",
  "memchr",
- "mio 0.7.14",
+ "mio 0.8.0",
  "num_cpus",
  "once_cell",
- "parking_lot 0.11.2",
+ "parking_lot 0.12.0",
  "pin-project-lite 0.2.7",
  "signal-hook-registry",
+ "socket2 0.4.4",
  "tokio-macros",
  "winapi 0.3.9",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 885dc830204b..aa031107ec3d 100644
--- a/Cargo.toml
+++ b/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 = "1.16.1"
+tokio = "1.17.0"
 remote-externalities = { git = "https://github.com/paritytech/substrate", branch = "master" }
 polkadot-core-primitives = { path = "core-primitives" }
 
diff --git a/node/metrics/Cargo.toml b/node/metrics/Cargo.toml
index 4c0ad72bad2f..b41ae13c5386 100644
--- a/node/metrics/Cargo.toml
+++ b/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 = "1.16"
+tokio = "1.17.0"
 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/node/test/service/Cargo.toml b/node/test/service/Cargo.toml
index 98aaf24bf5a6..526d02bb6216 100644
--- a/node/test/service/Cargo.toml
+++ b/node/test/service/Cargo.toml
@@ -11,7 +11,7 @@ hex = "0.4.3"
 tracing = "0.1.31"
 rand = "0.8.5"
 tempfile = "3.2.0"
-tokio = "1.16.1"
+tokio = "1.17.0"
 
 # 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 = "1.0.79"
 substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
-tokio = { version = "1.16", features = ["macros"] }
+tokio = { version = "1.17.0", features = ["macros"] }
 
 [features]
 runtime-metrics=["polkadot-test-runtime/runtime-metrics"]
diff --git a/node/zombienet-backchannel/Cargo.toml b/node/zombienet-backchannel/Cargo.toml
index aa5313509d0b..e5ff851d1335 100644
--- a/node/zombienet-backchannel/Cargo.toml
+++ b/node/zombienet-backchannel/Cargo.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 publish = false
 
 [dependencies]
-tokio = { version = "1.16.1", default-features = false, features = ["macros", "net", "rt-multi-thread", "sync"] }
+tokio = { version = "1.17.0", 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/parachain/test-parachains/adder/collator/Cargo.toml b/parachain/test-parachains/adder/collator/Cargo.toml
index 4859d4655c7b..8f593b0ad91a 100644
--- a/parachain/test-parachains/adder/collator/Cargo.toml
+++ b/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 = "1.16", features = ["macros"] }
+tokio = { version = "1.17.0", features = ["macros"] }
diff --git a/utils/remote-ext-tests/bags-list/Cargo.toml b/utils/remote-ext-tests/bags-list/Cargo.toml
index 7af6644ed04d..ad4ac13acc4f 100644
--- a/utils/remote-ext-tests/bags-list/Cargo.toml
+++ b/utils/remote-ext-tests/bags-list/Cargo.toml
@@ -19,4 +19,4 @@ sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 clap = { version = "3.0", features = ["derive"] }
 log = "0.4.14"
-tokio = { version = "1", features = ["macros"] }
+tokio = { version = "1.17.0", features = ["macros"] }
diff --git a/utils/staking-miner/Cargo.toml b/utils/staking-miner/Cargo.toml
index c29db291e0fe..8ce08b94d7cf 100644
--- a/utils/staking-miner/Cargo.toml
+++ b/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 = "1.16", features = ["macros", "rt-multi-thread", "sync"] }
+tokio = { version = "1.17.0", features = ["macros", "rt-multi-thread", "sync"] }
 
 remote-externalities = { git = "https://github.com/paritytech/substrate", branch = "master" }