1 files changed, 1 insertions, 0 deletions
diff --git a/Cargo.toml b/Cargo.toml
index fc960255..f5c7a565 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,6 +38,7 @@ cc = "1"
 [dev-dependencies]
 assert-impl = "0.1"
 lazy_static = "1.2"
+parking_lot = "0.11.2"
 rand = "0.8"
 tempfile = "3.2.0"
 semver = "1.0.0"