diff --git a/package.json b/package.json
index 1312a1287..7bad695dc 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "ngx-twitter-timeline": "^0.1.5",
     "normalize.css": "^8.0.0",
     "rxjs": "^6.5.2",
-    "tslib": "^1.9.0",
+    "tslib": "^2.3.1",
     "zone.js": "^0.8.29"
   },
   "devDependencies": {