diff --git a/compose.yml b/compose.yml
index f498f9c..c814bfc 100644
--- a/compose.yml
+++ b/compose.yml
@@ -28,7 +28,7 @@ services:
       - dislocker_network
 
   db:
-    image: postgres:alpine3.20
+    image: postgres:16-alpine3.20
     restart: always
     environment:
       - TZ=Asia/Tokyo
diff --git a/compose_db.yml b/compose_db.yml
index 7cff067..f2a5251 100644
--- a/compose_db.yml
+++ b/compose_db.yml
@@ -1,6 +1,6 @@
 services:
   db:
-    image: postgres:alpine3.20
+    image: postgres:16-alpine3.20
     restart: always
     environment:
       - TZ=Asia/Tokyo