diff --git a/go.mod b/go.mod
index a3a77bbf7f..11c3d56e57 100644
--- a/go.mod
+++ b/go.mod
@@ -27,7 +27,7 @@ require (
 	golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8
 	google.golang.org/grpc v1.65.0
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
-	helm.sh/helm/v3 v3.15.2
+	helm.sh/helm/v3 v3.15.3
 	k8s.io/api v0.30.2
 	k8s.io/apimachinery v0.30.2
 	k8s.io/cli-runtime v0.30.0
diff --git a/go.sum b/go.sum
index 9ba88408cf..fa19293cc6 100644
--- a/go.sum
+++ b/go.sum
@@ -847,8 +847,8 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.5.0 h1:Ljk6PdHdOhAb5aDMWXjDLMMhph+BpztA4v1QdqEW2eY=
 gotest.tools/v3 v3.5.0/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU=
-helm.sh/helm/v3 v3.15.2 h1:/3XINUFinJOBjQplGnjw92eLGpgXXp1L8chWPkCkDuw=
-helm.sh/helm/v3 v3.15.2/go.mod h1:FzSIP8jDQaa6WAVg9F+OkKz7J0ZmAga4MABtTbsb9WQ=
+helm.sh/helm/v3 v3.15.3 h1:HcZDaVFe9uHa6hpsR54mJjYyRy4uz/pc6csg27nxFOc=
+helm.sh/helm/v3 v3.15.3/go.mod h1:FzSIP8jDQaa6WAVg9F+OkKz7J0ZmAga4MABtTbsb9WQ=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 k8s.io/api v0.30.2 h1:+ZhRj+28QT4UOH+BKznu4CBgPWgkXO7XAvMcMl0qKvI=
diff --git a/vendor/helm.sh/helm/v3/pkg/cli/environment.go b/vendor/helm.sh/helm/v3/pkg/cli/environment.go
index ba103252d2..438ba15152 100644
--- a/vendor/helm.sh/helm/v3/pkg/cli/environment.go
+++ b/vendor/helm.sh/helm/v3/pkg/cli/environment.go
@@ -112,7 +112,7 @@ func New() *EnvSettings {
 	env.Debug, _ = strconv.ParseBool(os.Getenv("HELM_DEBUG"))
 
 	// bind to kubernetes config flags
-	env.config = &genericclioptions.ConfigFlags{
+	config := &genericclioptions.ConfigFlags{
 		Namespace:        &env.namespace,
 		Context:          &env.KubeContext,
 		BearerToken:      &env.KubeToken,
@@ -133,6 +133,11 @@ func New() *EnvSettings {
 			return config
 		},
 	}
+	if env.BurstLimit != defaultBurstLimit {
+		config = config.WithDiscoveryBurst(env.BurstLimit)
+	}
+	env.config = config
+
 	return env
 }
 
diff --git a/vendor/helm.sh/helm/v3/pkg/downloader/manager.go b/vendor/helm.sh/helm/v3/pkg/downloader/manager.go
index 68c9c6e006..d5340575d1 100644
--- a/vendor/helm.sh/helm/v3/pkg/downloader/manager.go
+++ b/vendor/helm.sh/helm/v3/pkg/downloader/manager.go
@@ -246,7 +246,7 @@ func (m *Manager) downloadAll(deps []*chart.Dependency) error {
 	}
 
 	destPath := filepath.Join(m.ChartPath, "charts")
-	tmpPath := filepath.Join(m.ChartPath, "tmpcharts")
+	tmpPath := filepath.Join(m.ChartPath, fmt.Sprintf("tmpcharts-%d", os.Getpid()))
 
 	// Check if 'charts' directory is not actually a directory. If it does not exist, create it.
 	if fi, err := os.Stat(destPath); err == nil {
diff --git a/vendor/helm.sh/helm/v3/pkg/registry/util.go b/vendor/helm.sh/helm/v3/pkg/registry/util.go
index 4bff39495b..45fbdd0b51 100644
--- a/vendor/helm.sh/helm/v3/pkg/registry/util.go
+++ b/vendor/helm.sh/helm/v3/pkg/registry/util.go
@@ -156,6 +156,7 @@ func NewRegistryClientWithTLS(out io.Writer, certFile, keyFile, caFile string, i
 		ClientOptHTTPClient(&http.Client{
 			Transport: &http.Transport{
 				TLSClientConfig: tlsConf,
+				Proxy:           http.ProxyFromEnvironment,
 			},
 		}),
 	)
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 265433a0da..23e90fa837 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1386,7 +1386,7 @@ gopkg.in/yaml.v2
 # gopkg.in/yaml.v3 v3.0.1
 ## explicit
 gopkg.in/yaml.v3
-# helm.sh/helm/v3 v3.15.2
+# helm.sh/helm/v3 v3.15.3
 ## explicit; go 1.22.0
 helm.sh/helm/v3/internal/fileutil
 helm.sh/helm/v3/internal/resolver