diff --git a/backend/config/settings.py b/backend/config/settings.py
index 73c3153..1745001 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -128,7 +128,7 @@
         "USER": os.getenv("POSTGRES_USER"),
         "PASSWORD": os.getenv("POSTGRES_PASSWORD"),
         "HOST": "db",
-        "PORT": 5432,
+        "PORT": 5434,
     }
 }
 
diff --git a/docker-compose.yml b/docker-compose.yml
index a46507a..70893f6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,8 +5,10 @@ services:
     restart: always
     env_file:
       - .env  # load environment variables from .env
+    environment:
+      - PGPORT=5434
     ports:
-      - "5432:5432"
+      - "5434:5434"
     volumes:
       - pg_data:/var/lib/postgresql/data