diff --git a/test/Dockerfile.distro b/test/Dockerfile.distro
index d831346bb8..02576120e7 100644
--- a/test/Dockerfile.distro
+++ b/test/Dockerfile.distro
@@ -81,7 +81,7 @@ RUN install-tool gleam 1.16.0
 RUN install-tool golang 1.26.3
 
 # renovate: datasource=github-releases packageName=helm/helm
-RUN install-tool helm v4.1.4
+RUN install-tool helm v4.2.0
 
 # renovate: datasource=github-releases packageName=helmfile/helmfile
 RUN install-tool helmfile v1.5.1
diff --git a/test/helm/Dockerfile b/test/helm/Dockerfile
index ab19822708..4a36216ebf 100644
--- a/test/helm/Dockerfile
+++ b/test/helm/Dockerfile
@@ -32,7 +32,7 @@ ARG CONTAINERBASE_DEBUG
 ARG CONTAINERBASE_LOG_LEVEL
 
 # renovate: datasource=github-releases depName=helm packageName=helm/helm
-ARG HELM_VERSION=4.1.4
+ARG HELM_VERSION=4.2.0
 
 #------------------------------------------------------------------
 # testa: install helm AS root, run AS both
diff --git a/test/helm/Dockerfile.arm64 b/test/helm/Dockerfile.arm64
index 2b7f0bb100..18a23c0eae 100644
--- a/test/helm/Dockerfile.arm64
+++ b/test/helm/Dockerfile.arm64
@@ -38,7 +38,7 @@ ARG CONTAINERBASE_LOG_LEVEL
 FROM base AS test-helm
 
 # renovate: datasource=github-releases packageName=helm/helm
-RUN install-tool helm v4.1.4
+RUN install-tool helm v4.2.0
 
 #--------------------------------------
 # Image: final