diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a14a31b..dab8f95 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -155,7 +155,7 @@ jobs:
         run: unified-doc/scripts/build-drift-alert-context.sh "$GITHUB_REPOSITORY" "$GITHUB_RUN_ID" "$GITHUB_OUTPUT"
 
       - name: Send drift alert
-        if: failure() && steps.drift-ctx.outputs.has_drift == 'true'
+        if: failure() && steps.drift-ctx.outputs.has_drift == 'true' && github.event_name == 'schedule'
         uses: openziti/ziti-mattermost-action-py@v1
         with:
           zitiId: ${{ secrets.ZITI_MATTERMOST_IDENTITY }}