diff --git a/docker-compose.yaml b/docker-compose.yaml
index 4d49da2..b23fdb0 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -51,7 +51,7 @@ services:
     - POSTGRES_DB=mailmandb
     - POSTGRES_USER=mailman
     - POSTGRES_PASSWORD=mailmanpass
-    image: postgres:11-alpine
+    image: postgres:12-alpine
     volumes:
     - /opt/mailman/database:/var/lib/postgresql/data
     networks: