diff --git a/.gitea/workflows/test-fixturenet-eth.yml b/.gitea/workflows/test-fixturenet-eth.yml
index 195a683..89f0acc 100644
--- a/.gitea/workflows/test-fixturenet-eth.yml
+++ b/.gitea/workflows/test-fixturenet-eth.yml
@@ -33,3 +33,20 @@ jobs:
         run: |
          PATH=$PATH:~/bin
          ./tests/fixturenet-eth-stack/run-test.sh
+
+      - name: Notify Vulcanize Slack on CI failure
+        if: ${{ always() && github.ref_name == 'main' }}
+        uses: ravsamhq/notify-slack-action@v2
+        with:
+          status: ${{ job.status }}
+          notify_when: 'failure'
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.VULCANIZE_SLACK_CI_ALERTS }}
+      - name: Notify DeepStack Slack on CI failure
+        if: ${{ always() && github.ref_name == 'main' }}
+        uses: ravsamhq/notify-slack-action@v2
+        with:
+          status: ${{ job.status }}
+          notify_when: 'failure'
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.DEEPSTACK_SLACK_CI_ALERTS }}
diff --git a/.gitea/workflows/test-fixturenet-plugeth.yml b/.gitea/workflows/test-fixturenet-plugeth.yml
index 462b8e8..59e0472 100644
--- a/.gitea/workflows/test-fixturenet-plugeth.yml
+++ b/.gitea/workflows/test-fixturenet-plugeth.yml
@@ -33,3 +33,20 @@ jobs:
         run: |
          PATH=$PATH:~/bin
          ./tests/fixturenet-plugeth-stack/run-test.sh
+
+      - name: Notify Vulcanize Slack on CI failure
+        if: ${{ always() && github.ref_name == 'main' }}
+        uses: ravsamhq/notify-slack-action@v2
+        with:
+          status: ${{ job.status }}
+          notify_when: 'failure'
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.VULCANIZE_SLACK_CI_ALERTS }}
+      - name: Notify DeepStack Slack on CI failure
+        if: ${{ always() && github.ref_name == 'main' }}
+        uses: ravsamhq/notify-slack-action@v2
+        with:
+          status: ${{ job.status }}
+          notify_when: 'failure'
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.DEEPSTACK_SLACK_CI_ALERTS }}