diff --git a/compose_example.yml b/compose_example.yml
index 33c4a78760..db924f90c3 100644
--- a/compose_example.yml
+++ b/compose_example.yml
@@ -62,7 +62,7 @@ services:
 
   db:
     restart: always
-    image: postgres:15-alpine
+    image: l1drm/postgres-pgroonga:alpine-17-znver4
     user: "${MISSKEY_UID}:${MISSKEY_GID}"
     networks:
       - internal_network