diff --git a/.github/workflows/package-source-zip.yml b/.github/workflows/package-source-zip.yml
new file mode 100644
index 0000000..0d8be9b
--- /dev/null
+++ b/.github/workflows/package-source-zip.yml
@@ -0,0 +1,43 @@
+name: Package source ZIP
+
+on:
+  push:
+    branches:
+      - artifact/source-zip-v1.5.0
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  package-source:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out latest main
+        uses: actions/checkout@v4
+        with:
+          ref: main
+
+      - name: Create clean source ZIP
+        run: |
+          set -euo pipefail
+          mkdir -p /tmp/Sonario-Android-v1.5.0
+          rsync -a \
+            --exclude='.git/' \
+            --exclude='.gradle/' \
+            --exclude='build/' \
+            --exclude='*/build/' \
+            --exclude='*.apk' \
+            ./ /tmp/Sonario-Android-v1.5.0/
+          cd /tmp
+          zip -qr "$GITHUB_WORKSPACE/Sonario-Android-v1.5.0.zip" Sonario-Android-v1.5.0
+
+      - name: Upload source ZIP
+        uses: actions/upload-artifact@v4
+        with:
+          name: Sonario-Android-v1.5.0-source
+          path: Sonario-Android-v1.5.0.zip
+          if-no-files-found: error
+          retention-days: 7
diff --git a/SOURCE_ZIP_REQUEST.md b/SOURCE_ZIP_REQUEST.md
new file mode 100644
index 0000000..d35a286
--- /dev/null
+++ b/SOURCE_ZIP_REQUEST.md
@@ -0,0 +1 @@
+Temporary branch-only marker used to trigger a source ZIP packaging run. The generated archive checks out and packages the latest main branch.