diff --git a/polkadot/availability-store/Cargo.toml b/polkadot/availability-store/Cargo.toml
index 7b2203c3be..aeb45b66fa 100644
--- a/polkadot/availability-store/Cargo.toml
+++ b/polkadot/availability-store/Cargo.toml
@@ -12,7 +12,7 @@ parking_lot = "0.9.0"
 derive_more = "0.99"
 log = "0.4.8"
 futures = "0.3.4"
-tokio = { version = "0.2.10", features = ["rt-core"] }
+tokio = { version = "0.2.13", features = ["rt-core"] }
 exit-future = "0.2.0"
 codec = { package = "parity-scale-codec", version = "1.1.0", features = ["derive"] }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "polkadot-master" }
diff --git a/polkadot/cli/Cargo.toml b/polkadot/cli/Cargo.toml
index fd47585043..73d26829f9 100644
--- a/polkadot/cli/Cargo.toml
+++ b/polkadot/cli/Cargo.toml
@@ -26,7 +26,7 @@ sc-client-db = { git = "https://github.com/paritytech/substrate", branch = "polk
 sc-executor = { git = "https://github.com/paritytech/substrate", branch = "polkadot-master" }
 service = { package = "polkadot-service", path = "../service", default-features = false }
 
-tokio = { version = "0.2.10", features = ["rt-threaded"], optional = true }
+tokio = { version = "0.2.13", features = ["rt-threaded"], optional = true }
 frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-master", optional = true }
 sc-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-master", optional = true }
 
diff --git a/polkadot/collator/Cargo.toml b/polkadot/collator/Cargo.toml
index f042ab9f8c..bf6bda94e1 100644
--- a/polkadot/collator/Cargo.toml
+++ b/polkadot/collator/Cargo.toml
@@ -22,7 +22,7 @@ polkadot-network = { path = "../network" }
 polkadot-validation = { path = "../validation" }
 polkadot-service = { path = "../service" }
 log = "0.4.8"
-tokio = "0.2.10"
+tokio = "0.2.13"
 futures-timer = "2.0"
 codec = { package = "parity-scale-codec", version = "1.1.0" }
 
diff --git a/polkadot/validation/Cargo.toml b/polkadot/validation/Cargo.toml
index b896fc4329..6f577c25cc 100644
--- a/polkadot/validation/Cargo.toml
+++ b/polkadot/validation/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 futures = "0.3.4"
 futures-timer = "2.0"
 parking_lot = "0.9.0"
-tokio = { version = "0.2.10", features = ["rt-core", "blocking"] }
+tokio = { version = "0.2.13", features = ["rt-core", "blocking"] }
 derive_more = "0.14.1"
 log = "0.4.8"
 exit-future = "0.2.0"