diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index c65ab0a2a6f..f72db50af09 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -253,3 +253,31 @@ jobs:
         ${{ toJSON(github.event) }}
         ]
         EOF
+
+  notify_discord:
+    needs: [build_and_test_serenity, build_and_test_lagom]
+    runs-on: ubuntu-20.04
+    if: always() && github.repository == 'SerenityOS/serenity' && (github.event_name == 'pull_request_target' || (github.event_name == 'push' && github.ref == 'refs/heads/master'))
+
+    steps:
+    # Sets environment variable env.WORKFLOW_CONCLUSION to one of [neutral, success, skipped, cancelled, timed_out, action_required, failure]
+    # depending on result of all needs jobs
+    - uses: technote-space/workflow-conclusion-action@v2
+
+    # === NOTIFICATIONS ===
+
+    - name: Discord action notification
+      env:
+        DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
+      uses: Ilshidur/action-discord@0.3.0
+      if: ${{ (github.event['pull_request'] && github.event['action'] == 'opened' && !(github.event['pull_request'] == 'draft')) || github.event['commits'] }}
+
+    - name: Discord build result
+      env:
+        DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
+        DISCORD_USERNAME: GitHub # we have to set these manually for non-default messages
+        DISCORD_AVATAR: https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png
+      uses: Ilshidur/action-discord@0.3.0
+      if: ${{ (github.event['pull_request'] && github.event['action'] == 'opened' && !(github.event['pull_request'] == 'draft')) || github.event['commits'] }}
+      with:
+        args: "The build ${{ env.WORKFLOW_CONCLUSION == 'success' && 'passed :white_check_mark:' || 'failed :x:' }}"