diff --git a/Node JS - old files/package.json b/Node JS - old files/package.json
index d884c40..f5b4890 100644
--- a/Node JS - old files/package.json	
+++ b/Node JS - old files/package.json	
@@ -29,7 +29,7 @@
     "compression": "^1.7.4",
     "css-loader": "^3.4.2",
     "express": "^4.17.1",
-    "immutable": "4.0.0-rc.2",
+    "immutable": "4.3.8",
     "minimist": "^1.2.5",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",