diff --git a/back-end/package.json b/back-end/package.json
index c1bf0c6..b728e0d 100644
--- a/back-end/package.json
+++ b/back-end/package.json
@@ -18,6 +18,7 @@
         "typescript": "^5.6.3"
     },
     "dependencies": {
-        "express": "^4.21.1"
+        "express": "^4.21.1",
+        "pg": "^8.13.1"
     }
 }