diff --git a/Cargo.lock b/Cargo.lock
index 9a33ae5fd15..2d9458a0193 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5225,14 +5225,15 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba272f85fa0b41fc91872be579b3bbe0f56b792aa361a380eb669469f68dafb2"
+checksum = "52da4364ffb0e4fe33a9841a98a3f3014fb964045ce4f7a45a398243c8d6b0c9"
 dependencies = [
  "libc",
  "log",
  "miow 0.3.7",
  "ntapi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "winapi 0.3.9",
 ]
 
@@ -12386,14 +12387,14 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.17.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2af73ac49756f3f7c01172e34a23e5d0216f6c32333757c2c61feb2bbff5a5ee"
+checksum = "0f48b6d60512a392e34dbf7fd456249fd2de3c83669ab642e021903f4015185b"
 dependencies = [
  "bytes 1.1.0",
  "libc",
  "memchr",
- "mio 0.8.0",
+ "mio 0.8.2",
  "num_cpus",
  "once_cell",
  "parking_lot 0.12.0",
diff --git a/client/network/Cargo.toml b/client/network/Cargo.toml
index a2cc2a8ea7e..2b58f78fe13 100644
--- a/client/network/Cargo.toml
+++ b/client/network/Cargo.toml
@@ -33,7 +33,7 @@ cumulus-relay-chain-interface = { path = "../relay-chain-interface" }
 
 [dev-dependencies]
 portpicker = "0.1.1"
-tokio = { version = "1.17.0", features = ["macros"] }
+tokio = { version = "1.18.0", features = ["macros"] }
 url = "2.2.2"
 
 # Substrate
diff --git a/client/pov-recovery/Cargo.toml b/client/pov-recovery/Cargo.toml
index d5c2e33f727..d70342350ae 100644
--- a/client/pov-recovery/Cargo.toml
+++ b/client/pov-recovery/Cargo.toml
@@ -31,7 +31,7 @@ cumulus-primitives-core = { path = "../../primitives/core" }
 cumulus-relay-chain-interface = {path = "../relay-chain-interface"}
 
 [dev-dependencies]
-tokio = { version = "1.17.0", features = ["macros"] }
+tokio = { version = "1.18.0", features = ["macros"] }
 
 # Cumulus
 cumulus-test-service = { path = "../../test/service" }
diff --git a/test/service/Cargo.toml b/test/service/Cargo.toml
index 5d27ad15429..9af72cc8f84 100644
--- a/test/service/Cargo.toml
+++ b/test/service/Cargo.toml
@@ -12,7 +12,7 @@ jsonrpc-core = "18.0.0"
 parking_lot = "0.12.0"
 rand = "0.8.5"
 serde = { version = "1.0.132", features = ["derive"] }
-tokio = { version = "1.17.0", features = ["macros"] }
+tokio = { version = "1.18.0", features = ["macros"] }
 url = "2.2.2"
 
 # Substrate