diff --git a/.github/workflows/aglint.yml b/.github/workflows/aglint.yml
index 9fcc5e0ff2a..4596dd2104c 100644
--- a/.github/workflows/aglint.yml
+++ b/.github/workflows/aglint.yml
@@ -100,7 +100,7 @@ jobs:
         )
       }}
     steps:
-      - uses: slackapi/slack-github-action@v3
+      - uses: slackapi/slack-github-action@v4
         with:
           webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook
diff --git a/.github/workflows/markdownlint.yml b/.github/workflows/markdownlint.yml
index d6f56c5c88a..7f037f1a562 100644
--- a/.github/workflows/markdownlint.yml
+++ b/.github/workflows/markdownlint.yml
@@ -61,7 +61,7 @@ jobs:
         )
       }}
     steps:
-      - uses: slackapi/slack-github-action@v3
+      - uses: slackapi/slack-github-action@v4
         with:
           webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook