diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9f71719..e6e7ca4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -185,3 +185,16 @@ jobs:
                     name: Behat logs
                     path: etc/build/
                     if-no-files-found: ignore
+                    
+            - 
+                name: Failed build Slack notification
+                uses: rtCamp/action-slack-notify@v2
+                if: ${{ failure() && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master') }}
+                env:
+                    SLACK_CHANNEL: ${{ secrets.FAILED_BUILD_SLACK_CHANNEL }}
+                    SLACK_COLOR: ${{ job.status }}
+                    SLACK_ICON: https://github.com/rtCamp.png?size=48
+                    SLACK_MESSAGE: ':x:'
+                    SLACK_TITLE: Failed build on ${{ github.event.repository.name }} repository
+                    SLACK_USERNAME: ${{ secrets.FAILED_BUILD_SLACK_USERNAME }}
+                    SLACK_WEBHOOK: ${{ secrets.FAILED_BUILD_SLACK_WEBHOOK }}