diff --git a/bridges/relays/finality/Cargo.toml b/bridges/relays/finality/Cargo.toml
index f25babee7d..401a02b2ca 100644
--- a/bridges/relays/finality/Cargo.toml
+++ b/bridges/relays/finality/Cargo.toml
@@ -17,4 +17,4 @@ num-traits = "0.2"
 relay-utils = { path = "../utils" }
 
 [dev-dependencies]
-parking_lot = "0.11.0"
+parking_lot = "0.12.1"
diff --git a/bridges/relays/messages/Cargo.toml b/bridges/relays/messages/Cargo.toml
index e144926376..e4564dac15 100644
--- a/bridges/relays/messages/Cargo.toml
+++ b/bridges/relays/messages/Cargo.toml
@@ -12,7 +12,7 @@ futures = "0.3.5"
 hex = "0.4"
 log = "0.4.17"
 num-traits = "0.2"
-parking_lot = "0.11.0"
+parking_lot = "0.12.1"
 
 # Bridge Dependencies