diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 22f85950b..2f282d8ef 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -27,7 +27,7 @@ services:
       - ALLOW_EMPTY_SENDER_DOMAINS=true
 
   postgres:
-    image: postgres:9-alpine
+    image: postgres:12-alpine
     environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=admin
diff --git a/docker-compose.yml b/docker-compose.yml
index 781722357..46338c791 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -35,7 +35,7 @@ services:
       - "1080:80"
 
   postgres:
-    image: postgres:9-alpine
+    image: postgres:12-alpine
     environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=admin