diff --git a/.github/workflows/publishRelease.yml b/.github/workflows/publishRelease.yml
index 7e1b656cd9..e33bd55995 100644
--- a/.github/workflows/publishRelease.yml
+++ b/.github/workflows/publishRelease.yml
@@ -72,9 +72,6 @@ jobs:
       - name: Send message to Slack
         uses: slackapi/slack-github-action@v2.0.0
         with:
+          webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
           payload: |
-            {
-              "text": "<!subteam^S01RJL6PHJ8> npm publish が完了しました。Release Pull Request を手動でマージしたらリリース完了です。"
-            }
-        env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+            text: "<!subteam^S01RJL6PHJ8> npm publish が完了しました。Release Pull Request を手動でマージしたらリリース完了です。"
diff --git a/.github/workflows/startRelease.yml b/.github/workflows/startRelease.yml
index b354e45dda..b2ae30e81e 100644
--- a/.github/workflows/startRelease.yml
+++ b/.github/workflows/startRelease.yml
@@ -72,7 +72,8 @@ jobs:
         if: ${{ github.event.client_payload.channel_id != null }}
         uses: slackapi/slack-github-action@v2.0.0
         with:
-          channel-id: ${{ github.event.client_payload.channel_id }}
-          payload: ${{ github.event.client_payload.say }}
-        env:
-          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+          method: chat.postMessage
+          token: ${{ secrets.SLACK_BOT_TOKEN }}
+          payload: |
+            channel: ${{ github.event.client_payload.channel_id }}
+            text: ${{ github.event.client_payload.say }}