diff --git a/translations/ja-JP/content/actions/creating-actions/dockerfile-support-for-github-actions.md b/translations/ja-JP/content/actions/creating-actions/dockerfile-support-for-github-actions.md
index 8510451ae72c..e11b0b3a47d0 100644
--- a/translations/ja-JP/content/actions/creating-actions/dockerfile-support-for-github-actions.md
+++ b/translations/ja-JP/content/actions/creating-actions/dockerfile-support-for-github-actions.md
@@ -62,7 +62,7 @@ ENTRYPOINT ["sh", "-c", "echo $GITHUB_SHA"]
 ##### *Dockerfile*の例
 ``` 
 # コードを実行するコンテナイメージ
-FROM debian:stretch-20210329-slim
+FROM debian:9.13-slim
 
 # アクションリポジトリからコンテナのファイルシステムパスの`/`にコードファイルをコピー
 COPY entrypoint.sh /entrypoint.sh