diff --git a/docker-compose.yml b/docker-compose.yml
index b378725..ff6b1ad 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -32,7 +32,7 @@ services:
 
   psql:
     container_name: psql-${BRANCH}
-    image: postgres:latest
+    image: postgres:9.4
     restart: unless-stopped
     environment:
       POSTGRES_USER: "admin"