diff --git a/stack-compose.yml b/stack-compose.yml
index 9e0443c..bb621a0 100644
--- a/stack-compose.yml
+++ b/stack-compose.yml
@@ -7,6 +7,8 @@ services:
       - POSTGRES_PASSWORD_FILE=/run/secrets/DJANGO_DB_PASSWD
     ports:
       - 5432:5432
+    volumes:
+      - dbdata:/var/lib/postgresql/data
     secrets:
       - DJANGO_DB_USER
       - DJANGO_DB_PASSWD
@@ -45,3 +47,6 @@ secrets:
     external: true
   DJANGO_DB_PASSWD:
     external: true
+
+volumes:
+  dbdata: