diff --git a/package.json b/package.json
index b46d836..fc6af9e 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,6 @@
     "@types/react-dom": "^17.0.9",
     "crypto": "^1.0.1",
     "crypto-browserify": "^3.12.0",
-    "pngjs": "^6.0.0",
     "react": "^17.0.2",
     "react-dev-utils": "^11.0.4",
     "react-dom": "^17.0.2",