diff --git a/.github/actions/report-scheduled-failure/action.yml b/.github/actions/report-scheduled-failure/action.yml
index 07b28c752..0b2ea0849 100644
--- a/.github/actions/report-scheduled-failure/action.yml
+++ b/.github/actions/report-scheduled-failure/action.yml
@@ -10,7 +10,7 @@ runs:
   using: composite
   steps:
     - name: Report failure of a scheduled run
-      uses: slackapi/slack-github-action@v2.1.1
+      uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95 # v3.0.1
       with:
         webhook: ${{ inputs.slack-webhook }}
         webhook-type: incoming-webhook