diff --git a/.github/workflows/assign_issue.yml b/.github/workflows/assign_issue.yml
index d980a54..96d4317 100644
--- a/.github/workflows/assign_issue.yml
+++ b/.github/workflows/assign_issue.yml
@@ -30,13 +30,13 @@ jobs:
     # -----------------------------------　slackへ通知 ----------------------------------------------------------------
     - name: Slack Notification on Success # テスト成功時はこちらのステップが実行される
       if: success()
-      uses: rtCamp/action-slack-notify@v2.0.2
+      uses: rtCamp/action-slack-notify@v2.2.0
       env:
         SLACK_CHANNEL: issue
         SLACK_TITLE: New Issue Created
         SLACK_COLOR: good
     - name: Slack Notification on Failure # テスト失敗時はこちらのステップが実行される
-      uses: rtCamp/action-slack-notify@v2.0.2
+      uses: rtCamp/action-slack-notify@v2.2.0
       if: failure()
       env:
         SLACK_CHANNEL: issue