diff --git a/Cargo.toml b/Cargo.toml
index c1a41a38..d4d6e06e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,8 +11,8 @@ readme = "README.md"
 [dependencies]
 derive-new = "0.5.5"
 rustc-hash = "1.0"
-parking_lot = "0.7.0"
-lock_api = "0.1.4"
+parking_lot = "0.8.0"
+lock_api = "0.2.0"
 indexmap = "1.0.1"
 log = "0.4.5"
 smallvec = "0.6.5"