diff --git a/compose.yml b/compose.yml
index 794ef9c..3dc602a 100644
--- a/compose.yml
+++ b/compose.yml
@@ -46,7 +46,7 @@ services:
       start_period: 1m
 
   db:
-    image: postgres:11.6-alpine
+    image: postgres:11.9-alpine
     environment:
       - POSTGRES_USER=codimd
       - POSTGRES_PASSWORD_FILE=/run/secrets/db_password