diff --git a/.github/workflows/ct-lint.yaml b/.github/workflows/ct-lint.yaml
index 750cb0e5..03f59ea5 100644
--- a/.github/workflows/ct-lint.yaml
+++ b/.github/workflows/ct-lint.yaml
@@ -26,9 +26,14 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
         with:
-          python-version: 3.7
+          python-version: 3.8
       - name: Set up chart-testing
         uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1
+      - name: Add missing Helm repositories
+        run: |
+          set -e
+          helm repo add cloudnative-pg https://cloudnative-pg.github.io/charts
+          helm repo update
       - name: Run chart-testing (lint)
         run: |
           set -e
diff --git a/.github/workflows/helm-release.yaml b/.github/workflows/helm-release.yaml
index c88f158c..570273d3 100644
--- a/.github/workflows/helm-release.yaml
+++ b/.github/workflows/helm-release.yaml
@@ -21,7 +21,7 @@ jobs:
         uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # v3.5
       - uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
         with:
-          python-version: 3.7
+          python-version: 3.8
       - name: Set up chart-testing
         uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1
       - name: Run chart-testing (lint)
diff --git a/charts/reports-server/README.md b/charts/reports-server/README.md
index 6ffdb287..e71dcf44 100644
--- a/charts/reports-server/README.md
+++ b/charts/reports-server/README.md
@@ -1,6 +1,6 @@
 # reports-server
 
-![Version: 0.1.5-rc.2](https://img.shields.io/badge/Version-0.1.5--rc.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.1.5-rc.2](https://img.shields.io/badge/AppVersion-v0.1.5--rc.1-informational?style=flat-square)
+![Version: 0.1.5-rc.2](https://img.shields.io/badge/Version-0.1.5--rc.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.1.5-rc.2](https://img.shields.io/badge/AppVersion-v0.1.5--rc.2-informational?style=flat-square)
 
 TODO