diff --git a/Cargo.toml b/Cargo.toml
index f250c951..30d3fd48 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 
 [dependencies]
 parking_lot_core = { path = "core", version = "0.7.0" }
-lock_api = { path = "lock_api", version = "0.3.1" }
+lock_api = { path = "lock_api", version = "0.3.4" }
 
 [dev-dependencies]
 rand = "0.7"