diff --git a/package.json b/package.json
index 24a420cf..ea9c5235 100644
--- a/package.json
+++ b/package.json
@@ -126,7 +126,7 @@
     "semantic-release": "~18.0.0",
     "sinon": "~11.1.0",
     "tsdx": "~0.14.0",
-    "tslib": "~2.3.0",
+    "tslib": "~2.4.1",
     "typescript": "~3.8.2"
   },
   "dependencies": {