diff --git a/package.json b/package.json
index 0242259..8ed02b5 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": "2.8.1",
     "typescript": "3.8.3"
   },
   "devDependencies": {