diff --git a/back-end/package.json b/back-end/package.json
index e5fd662..ab7c414 100644
--- a/back-end/package.json
+++ b/back-end/package.json
@@ -13,6 +13,7 @@
     "license": "ISC",
     "description": "",
     "devDependencies": {
+        "@types/bcrypt": "^5.0.2",
         "@types/ejs": "^3.1.5",
         "@types/express": "^5.0.0",
         "@types/morgan": "^1.9.9",