diff --git a/docker-compose.yaml b/docker-compose.yaml
index 3e5475d..b0f1c5f 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -38,9 +38,13 @@ services:
     postgres:
         image: postgres:18.1
         volumes:
+        - postgres_data:/var/lib/postgresql
         - ./docker/postgres/docker-entrypoint-initdb.d:/docker-entrypoint-initdb.d
         environment:
         - POSTGRES_USER=postgres
         - POSTGRES_PASSWORD=postgres
         ports:
         - '5432:5432'
+
+volumes:
+    postgres_data:
\ No newline at end of file