diff --git a/.github/workflows/optimize.yml b/.github/workflows/optimize.yml
new file mode 100644
index 000000000..7112c4edd
--- /dev/null
+++ b/.github/workflows/optimize.yml
@@ -0,0 +1,34 @@
+name: optimize
+
+on:
+  push:
+    branches: [ master ]
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+env:
+  WESNOTH_VERSION: 1.17.14
+
+jobs:
+  optimize:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        ssh-key: ${{ secrets.DEPLOY_SECRET_KEY }}
+    - name: Optimize images
+      uses: czyzby/wesnoth-png-optimizer@v1
+      continue-on-error: true
+      with:
+        wesnoth-version: ${{ env.WESNOTH_VERSION }}
+        threshold: 0
+    - name: Commit images
+      run: |
+        git config --global user.name "GitHub Action"
+        git config --global user.email "actions@users.noreply.github.com"
+        git commit -am "🤖 Optimize $GITHUB_REPOSITORY@$GITHUB_SHA"
+        git push