diff --git a/docker-compose.yml b/docker-compose.yml
index 54d8f92..187acba 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -27,6 +27,8 @@ services:
 
   postgres:
     image: postgres:9.5
+    volumes:
+      - ./data/postgres:/var/lib/postgresql/data
 
   web:
     extends: base