diff --git a/package.json b/package.json
index 0242259..4b0ec61 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "dependencies": {
     "@types/node": "13.11.1",
     "ts-node": "8.8.2",
-    "tslib": "1.11.1",
+    "tslib": "1.14.1",
     "typescript": "3.8.3"
   },
   "devDependencies": {