diff --git a/part4/bloglist-backend/package.json b/part4/bloglist-backend/package.json
index 745b793..0d04b0c 100644
--- a/part4/bloglist-backend/package.json
+++ b/part4/bloglist-backend/package.json
@@ -14,7 +14,7 @@
   "license": "MIT",
   "description": "",
   "dependencies": {
-    "bcrypt": "^4.0.1",
+    "bcrypt": "^5.0.0",
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
     "dotenv": "^8.2.0",