diff --git a/.gitea/workflows/release/update-composer-lock.yaml b/.gitea/workflows/release/update-composer-lock.yaml
new file mode 100644
index 0000000..c5ea7b8
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+++ b/.gitea/workflows/release/update-composer-lock.yaml
@@ -0,0 +1,59 @@
+name: Prepare release for chill app
+run-name: Update composer.lock and dependencies for preparing a release
+
+on:
+    push:
+        branches:
+            - 'release/**'
+
+jobs:
+    update-deps:
+        runs-on: ubuntu-latest
+        steps:
+            - name: check out repository
+              uses: https://github.com/actions/checkout@v4
+            - name: get the previous chill version
+              # parse the composer.lock file using jq to get the chill version before the upgrade
+              id: chill-before
+              uses: https://github.com/sergeysova/jq-action@v2
+              with:
+                cmd: 'cat composer.lock | jq --raw-output ''.packages[] | select ( .name | contains ("chill-project/chill-bundles")) | .version'''
+            - name: run composer update to update composer.lock
+              uses: docker://gitea.champs-libres.be/chill-project/chill-skeleton-basic/base-image:latest
+              with:
+                  # this is where we set the command to execute
+                  args: composer update --no-install
+            - name: is composer.lock changed ?
+              id: composer-lock-changed
+              run: 'echo is_composer_lock_changed=$(git diff --name-only | grep "composer\.lock" | wc -l) >> $GITHUB_OUTPUT'
+            - name: get the new chill version
+              # parse the composer.lock file using jq to get the chill version after the upgrade
+              id: chill-after
+              uses: https://github.com/sergeysova/jq-action@v2
+              with:
+                cmd: 'cat composer.lock | jq --raw-output ''.packages[] | select ( .name | contains ("chill-project/chill-bundles")) | .version'''
+            - name: add a changie file for the upgrade
+              uses: https://github.com/miniscruff/changie-action@v2
+              if: ${{ steps.composer-lock-changed.outputs.is_composer_lock_changed == 1 }}
+              with:
+                version: latest
+                args: 'new --body "Update dependencies. Chill-bundles upgraded from ${{ steps.chill-before.outputs.value }} to ${{ steps.chill-after.outputs.value }}" --kind Release --custom "Issue=0"'
+            - name: changie batch
+              if: ${{ steps.composer-lock-changed.outputs.is_composer_lock_changed == 1 }}
+              uses: https://github.com/miniscruff/changie-action@v2
+              with:
+                version: latest
+                args: 'batch auto'
+            - name: changie merge
+              if: ${{ steps.composer-lock-changed.outputs.is_composer_lock_changed == 1 }}
+              uses: https://github.com/miniscruff/changie-action@v2
+              with:
+                version: latest
+                args: 'merge'
+            - name: commit changed files
+              if: ${{ steps.composer-lock-changed.outputs.is_composer_lock_changed == 1 }}
+              uses: https://github.com/stefanzweifel/git-auto-commit-action@v5
+              with:
+                  commit_message: "update composer.lock and file (automatic update)"
+                  commit_user_name: Action Bot
+                  commit_user_email: bot@chill.social
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