diff --git a/.github/workflows/test-helm-chart.yml b/.github/workflows/test-helm-chart.yml
index 8fa56ea0ba..72c3719adc 100644
--- a/.github/workflows/test-helm-chart.yml
+++ b/.github/workflows/test-helm-chart.yml
@@ -114,7 +114,12 @@ jobs:
       - name: Update values in HELM chart
         if: startsWith(github.head_ref, 'renovate/') || startsWith(github.head_ref, 'dependabot/')
         run: |
-          yq -i '.annotations."artifacthub.io/changes" += "- kind: changed\n  description: ${{ github.event.pull_request.title }}\n"' helm/defectdojo/Chart.yaml
+          title=${{ github.event.pull_request.title }}
+          chars='{}:[],&*#?|-<>=!%@'
+          for c in $(echo "$chars" | grep -o .); do
+            title="${title//"$c"/_}"
+          done
+          yq -i '.annotations."artifacthub.io/changes" += "- kind: changed\n  description: $title\n"' helm/defectdojo/Chart.yaml
           git add helm/defectdojo/Chart.yaml
           git commit -m "ci: update Chart annotations from PR #${{ github.event.pull_request.number }}" || echo "No changes to commit"