diff --git a/compose.local-db.yml b/compose.local-db.yml
index ff202ae3e5..e7db6a3e72 100644
--- a/compose.local-db.yml
+++ b/compose.local-db.yml
@@ -15,7 +15,7 @@ services:
 
   db:
     restart: always
-    image: postgres:15-alpine
+    image: l1drm/postgres-pgroonga:alpine-15-znver4
     ports:
       - "5432:5432"
     env_file:
diff --git a/compose_example.yml b/compose_example.yml
index db924f90c3..07e273762c 100644
--- a/compose_example.yml
+++ b/compose_example.yml
@@ -62,7 +62,7 @@ services:
 
   db:
     restart: always
-    image: l1drm/postgres-pgroonga:alpine-17-znver4
+    image: l1drm/postgres-pgroonga:alpine-15-znver4
     user: "${MISSKEY_UID}:${MISSKEY_GID}"
     networks:
       - internal_network