diff --git a/Cargo.toml b/Cargo.toml
index 1e6c3c6..6be81db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ event-stream = ["futures-core"]
 [dependencies]
 bitflags = "1.2"
 lazy_static = "1.4"
-parking_lot = "0.10"
+parking_lot = "0.11"
 futures-core = { version = "0.3", optional = true, default-features = false }
 serde = { version = "1.0", features = ["derive"], optional = true }