diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index be96b21..48f502d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -32,5 +32,11 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.RELEASE_USER_TOKEN }}
 
-      - name: Bump Chart Version
-        run: bash ./scripts/bump-app-version.sh publish "${GITHUB_REF##*/}" "${{ secrets.RELEASE_USER_TOKEN }}"
\ No newline at end of file
+      - name: Run chart version bump
+        uses: mittwald/bump-app-version-action@v1
+        with:
+          mode: 'publish'
+          chartYaml: './deploy/helm-chart/kubeav/Chart.yaml'
+        env:
+          GITHUB_TOKEN: "${{ secrets.RELEASE_USER_TOKEN }}"
+          HELM_REPO_PASSWORD: "${{ secrets.HELM_REPO_PASSWORD }}"
\ No newline at end of file
diff --git a/scripts/bump-app-version.sh b/scripts/bump-app-version.sh
deleted file mode 100755
index 7845d2a..0000000
--- a/scripts/bump-app-version.sh
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-## debug if desired
-if [[ -n "${DEBUG}" ]]; then
-    set -x
-fi
-
-## make this script a bit more re-usable
-GIT_REPOSITORY="github.com/mittwald/kube-av.git"
-CHART_YAML="./deploy/helm-chart/kubeav/Chart.yaml"
-
-## avoid noisy shellcheck warnings
-MODE="${1}"
-TAG="${2:-v0.0.0}"
-GITHUB_TOKEN="${3:-dummy}"
-
-## temp working vars
-TIMESTAMP="$(date +%s )"
-TMP_DIR="/tmp/${TIMESTAMP}"
-
-## set up Git-User
-git config --global user.name "Mittwald Machine"
-git config --global user.email "opensource@mittwald.de"
-
-## temporary clone git repository
-git clone "https://${GIT_REPOSITORY}" "${TMP_DIR}"
-cd "${TMP_DIR}"
-
-## replace appVersion
-sed -i "s#appVersion:.*#appVersion: ${TAG}#g" "${CHART_YAML}"
-
-## replace helm-chart version with current tag without 'v'-prefix
-sed -i "s#version:.*#version: ${TAG/v/}#g" "${CHART_YAML}"
-
-## useful for debugging purposes
-git status
-
-## Add new remote with credentials baked in url
-git remote add publisher "https://mittwald-machine:${GITHUB_TOKEN}@${GIT_REPOSITORY}"
-
-## add and commit changed file
-git add -A
-
-## useful for debugging purposes
-git status
-
-## stage changes
-git commit -m "Bump appVersion to '${TAG}' and version to '${TAG/v/}'"
-
-## rebase
-git pull --rebase publisher master
-
-if [[ "$MODE" == "publish" ]]; then
-
-    ## publish changes
-    git push publisher master
-
-    ## trigger helm-charts reload
-    curl -X POST 'https://api.github.com/repos/mittwald/helm-charts/dispatches' -u "mittwald-machine:${GITHUB_TOKEN}" -d '{"event_type": "updateCharts"}'
-
-fi
-
-exit 0