diff --git a/.github/workflows/gitlab-del-branch.yml b/.github/workflows/gitlab-del-branch.yml
new file mode 100644
index 000000000..0d3d0bdda
--- /dev/null
+++ b/.github/workflows/gitlab-del-branch.yml
@@ -0,0 +1,19 @@
+name: Delete branch from GitLab
+on:
+  delete:
+    branches: '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Delete branch
+      env:
+        GITLAB_USERNAME: "project_34868_bot"
+        GITLAB_PASSWORD: ${{ secrets.GITLAB_PASSWORD }}
+        GITLAB_HOSTNAME: "git.drupal.org"
+        GITLAB_PATH: "project/islandora"
+      run: |
+        git remote add gitlab "https://$GITLAB_USERNAME:$GITLAB_PASSWORD@$GITLAB_HOSTNAME/$GITLAB_PATH"
+        git push gitlab :${GITHUB_REF#refs/heads/}
diff --git a/.github/workflows/gitlab-mirror.yml b/.github/workflows/gitlab-mirror.yml
index f59207e8a..66be28c15 100644
--- a/.github/workflows/gitlab-mirror.yml
+++ b/.github/workflows/gitlab-mirror.yml
@@ -2,14 +2,14 @@ name: Mirror and run GitLab CI
 
 on:
   push:
-    branches: [2.x]
+    branches: '*'
     tags: '*'
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Mirror + trigger CI