diff --git a/package.json b/package.json
index 65689ff..d34142a 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "@types/lodash": "^4.14.160"
   },
   "dependencies": {
-    "lodash": "^4.17.20"
+    "lodash": "^4.17.20",
+    "tslib": "^2.3.0"
   }
-}
\ No newline at end of file
+}