diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 027dc751b254630f58e248a0b44b54635ab9c0bb..197a1a847abd0a4311d3dffe429659fdf550f34b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -61,19 +61,21 @@ integration_test:
     - wget -q https://github.com/mikefarah/yq/releases/download/v4.14.2/yq_linux_amd64.tar.gz -O - | tar xvfz - && chmod +x yq_linux_amd64
     # for testing:
     # - export SERVICE_NAME=postgresql
-    # - export CI_COMMIT_TAG=10.12.1
+    # - export CHART_VERSION=10.12.1
 
-    - export BRANCH_NAME="auto-update-${SERVICE_NAME}-${CI_COMMIT_TAG}"
+    - export CHART_VERSION=$(./yq_linux_amd64 eval .version chart/Chart.yaml)
+
+    - export BRANCH_NAME="auto-update-${SERVICE_NAME}-${CHART_VERSION}"
     - git config --global user.email "gitlab@eox.at"
     - git config --global user.name "gitlab"
     - git clone https://${VS_DEPLOYMENT_GIT_REPOSITORY_CREDENTIALS}@gitlab.eox.at/vs/vs-deployment.git
     - cd vs-deployment
     - git switch -c "${BRANCH_NAME}"
     # bump version in Chart.yaml
-    - ../yq_linux_amd64 eval "( .dependencies[] | select(.name == \"${SERVICE_NAME}\") | .version ) = \"${CI_COMMIT_TAG}\"" --inplace Chart.yaml
+    - ../yq_linux_amd64 eval "( .dependencies[] | select(.name == \"${SERVICE_NAME}\") | .version ) = \"${CHART_VERSION}\"" --inplace Chart.yaml
     - helm dependency update
     - git add charts/*
-    - git commit --all -m "Bump ${SERVICE_NAME} to ${CI_COMMIT_TAG}"
+    - git commit --all -m "Bump ${SERVICE_NAME} to ${CHART_VERSION}"
     - git push --set-upstream origin "${BRANCH_NAME}"
   only:
     - tags