diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cb773c24e73..b1774f49eea 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -930,7 +930,7 @@ jobs:
     steps:
       - name: Post to Slack
         id: slack
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
+        uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95 # v3.0.1
         with:
           webhook: ${{ secrets.RENOVATEBOT_SLACK_WEBHOOK_MAIN_FAILURES }}
           webhook-type: incoming-webhook
@@ -950,7 +950,7 @@ jobs:
     steps:
       - name: Post to Slack
         id: slack
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
+        uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95 # v3.0.1
         with:
           webhook: ${{ secrets.RENOVATEBOT_SLACK_WEBHOOK_MAIN_FAILURES }}
           webhook-type: incoming-webhook
diff --git a/.github/workflows/mend-slack.yml b/.github/workflows/mend-slack.yml
index 2c17ac01cbf..4e11e8f9da6 100644
--- a/.github/workflows/mend-slack.yml
+++ b/.github/workflows/mend-slack.yml
@@ -30,7 +30,7 @@ jobs:
 
       - name: Post to Slack
         id: slack
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
+        uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95 # v3.0.1
         with:
           method: chat.postMessage
           payload: |