diff --git a/validator/package.json b/validator/package.json
index 1f3b7c647529..1ba73e2e6152 100644
--- a/validator/package.json
+++ b/validator/package.json
@@ -13,7 +13,7 @@
   },
   "devDependencies": {
     "google-closure-compiler": "20160517.1.0",
-    "google-closure-library": "20160517.0.0",
+    "google-closure-library": "20200830.0.0",
     "jasmine": "2.3.2"
   }
 }