diff --git a/tokio/Cargo.toml b/tokio/Cargo.toml
index 90347640021..8470fa2cb60 100644
--- a/tokio/Cargo.toml
+++ b/tokio/Cargo.toml
@@ -95,7 +95,7 @@ pin-project-lite = "0.2.11"
 # Everything else is optional...
 bytes = { version = "1.2.1", optional = true }
 mio = { version = "1.0.1", optional = true, default-features = false }
-parking_lot = { version = "0.12.0", optional = true }
+parking_lot = { version = "0.12.5", optional = true }
 
 [target.'cfg(not(target_family = "wasm"))'.dependencies]
 socket2 = { version = "0.6.0", optional = true, features = ["all"] }