diff --git a/tokio-postgres/Cargo.toml b/tokio-postgres/Cargo.toml
index aaed29ae..b9869b48 100644
--- a/tokio-postgres/Cargo.toml
+++ b/tokio-postgres/Cargo.toml
@@ -43,7 +43,7 @@ byteorder = "1.0"
 fallible-iterator = "0.2"
 futures = "0.3"
 log = "0.4"
-parking_lot = "0.10"
+parking_lot = "0.11"
 percent-encoding = "2.0"
 pin-project-lite = "0.1"
 phf = "0.8"