diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
new file mode 100644
index 0000000..6c4fb6e
--- /dev/null
+++ b/.github/workflows/mirror.yml
@@ -0,0 +1,22 @@
+name: Mirror to Codeberg
+
+on:
+  push:
+    branches: ['main']
+
+    workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - name: mirror-repository
+      uses: spyoungtech/mirror-action@v0.5.1
+      with:
+        REMOTE: 'https://codeberg.org/gxbs/aplos.git'
+        GIT_USERNAME: gxbs
+        GIT_PASSWORD: ${{ secrets.GIT_PASSWORD }}