diff --git a/Cargo.toml b/Cargo.toml
index f0499be..aafd4b4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 [dependencies]
 lazy_static = "1"
 lock_api = { version = "0.4", optional = true }
-parking_lot = { version = "0.11", optional = true }
+parking_lot = { version = "0.12", optional = true }
 
 [dev-dependencies]
 criterion = "0.3"