diff --git a/.gitea/workflows/backfill-release.yml b/.gitea/workflows/backfill-release.yml
new file mode 100644
index 0000000..4427607
--- /dev/null
+++ b/.gitea/workflows/backfill-release.yml
@@ -0,0 +1,81 @@
+name: backfill-release
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Existing tag to backfill a release for (e.g. v0.0.1)'
+        required: true
+
+env:
+  SERVER_URL: https://git.arthurerlich.de
+
+jobs:
+  backfill:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.tag }}
+          fetch-depth: 0
+          token: ${{ secrets.RELEASE_TOKEN }}
+
+      - name: Extract changelog section for this version (fallback to Unreleased)
+        run: |
+          VER="${{ inputs.tag }}"
+          VER="${VER#v}"
+          awk -v ver="$VER" '
+            BEGIN { found=0 }
+            /^## \[/ {
+              if (found) exit
+              if ($0 ~ "\[" ver "\]") { found=1; next }
+            }
+            found { print }
+          ' CHANGELOG.md > release-notes.md
+          if [ ! -s release-notes.md ]; then
+            awk '
+              BEGIN { found=0 }
+              /^## \[Unreleased\]/ { found=1; next }
+              /^## \[/ { if (found) exit }
+              found { print }
+            ' CHANGELOG.md > release-notes.md
+          fi
+          cat release-notes.md
+
+      - name: Install shopware-cli
+        run: |
+          curl -sL -o /tmp/shopware-cli.tar.gz \
+            https://github.com/shopware/shopware-cli/releases/latest/download/shopware-cli_Linux_x86_64.tar.gz
+          mkdir -p /tmp/swcli-extract
+          tar -xzf /tmp/shopware-cli.tar.gz -C /tmp/swcli-extract
+          cp /tmp/swcli-extract/shopware-cli /usr/local/bin/shopware-cli
+
+      - name: Package Store-style zip
+        run: |
+          shopware-cli extension package . --output-directory .build \
+            --filename "AeonDumpManager-${{ inputs.tag }}.zip"
+
+      - name: Build root-level zip for the Composer registry
+        run: git archive --format=zip -o "composer-package-${{ inputs.tag }}.zip" "${{ inputs.tag }}"
+
+      - name: Create Gitea Release
+        uses: akkuman/gitea-release-action@v1
+        with:
+          server_url: ${{ env.SERVER_URL }}
+          token: ${{ secrets.RELEASE_TOKEN }}
+          tag_name: ${{ inputs.tag }}
+          name: ${{ inputs.tag }}
+          body_path: release-notes.md
+          files: .build/AeonDumpManager-${{ inputs.tag }}.zip
+
+      - name: Publish to Composer registry
+        run: |
+          STATUS=$(curl -s -o /tmp/composer-publish.log -w "%{http_code}" \
+            -u "haylan:${{ secrets.RELEASE_TOKEN }}" \
+            -T "composer-package-${{ inputs.tag }}.zip" \
+            "https://git.arthurerlich.de/api/packages/haylan/composer")
+          cat /tmp/composer-publish.log
+          if [ "$STATUS" != "201" ] && [ "$STATUS" != "409" ]; then
+            echo "Unexpected HTTP status $STATUS publishing to the Composer registry"
+            exit 1
+          fi