diff --git a/.gitea/workflows/release-version.yml b/.gitea/workflows/release-version.yml
index a4b62fc..2c6086f 100644
--- a/.gitea/workflows/release-version.yml
+++ b/.gitea/workflows/release-version.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Install helm
         env:
           # renovate: datasource=docker depName=alpine/helm
-          HELM_VERSION: "3.19.0"
+          HELM_VERSION: "4.0.5"
         run: |
           curl --fail --location --output /dev/stdout --silent --show-error https://get.helm.sh/helm-v${HELM_VERSION}-linux-$(dpkg --print-architecture).tar.gz | tar --extract --gzip --file /dev/stdin
           mv linux-$(dpkg --print-architecture)/helm /usr/local/bin/
diff --git a/.gitea/workflows/test-pr.yml b/.gitea/workflows/test-pr.yml
index 24cd456..b1491ff 100644
--- a/.gitea/workflows/test-pr.yml
+++ b/.gitea/workflows/test-pr.yml
@@ -15,7 +15,7 @@ env:
 jobs:
   check-and-test:
     runs-on: ubuntu-latest
-    container: alpine/helm:3.19.0
+    container: alpine/helm:4.0.5
     steps:
       - name: install tools
         run: |
@@ -25,12 +25,13 @@ jobs:
       - name: install chart dependencies
         run: helm dependency build
       - name: lint
-        run: helm lint
+        run: helm lint .
       - name: template
         run: helm template --debug gitea-helm .
       - name: prepare unit test environment
+        # remove `--verify=false` once https://github.com/helm/helm/issues/31490 is resolved
         run: |
-          helm plugin install --version ${{ env.HELM_UNITTEST_VERSION }} https://github.com/helm-unittest/helm-unittest
+          helm plugin install --version ${{ env.HELM_UNITTEST_VERSION }} https://github.com/helm-unittest/helm-unittest --verify=false
           git submodule update --init --recursive
       - name: unit tests
         env: