diff --git a/package.json b/package.json
index 844acea..22050ac 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "homepage": "https://github.com/oxygenxml/webapp-charpicker-plugin#readme",
   "devDependencies": {
     "google-closure-compiler": "^20160315.2.0",
-    "google-closure-library": "^20160315.0.0",
+    "google-closure-library": "^20200830.0.0",
     "gulp": "^3.9.1",
     "gulp-clean-css": "^2.0.4",
     "gulp-closure-compiler": "^0.4.0",