diff --git a/package.json b/package.json
index 1bf4cc3..516848a 100644
--- a/package.json
+++ b/package.json
@@ -140,7 +140,7 @@
   "dependencies": {
     "express": "^4.16.4",
     "helmet": "^3.22.1",
-    "node-zopfli-es": "^1.0.5",
+    "node-zopfli-es": "^2.0.0",
     "shrink-ray-current": "^4.0.0"
   }
 }