diff --git a/js/package.json b/js/package.json
index 2dc3cdb..f28c80d 100644
--- a/js/package.json
+++ b/js/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "glob": "~6.0.4",
     "google-closure-compiler": "~20160619.0.0",
-    "google-closure-library": "~20160125.0.0",
+    "google-closure-library": "~20200830.0.0",
     "gulp": "~3.9.0",
     "jasmine": "~2.4.1"
   },