diff --git a/pkgs/applications/networking/cluster/helm/default.nix b/pkgs/applications/networking/cluster/helm/default.nix
index 0981a3ce5bc8..d43e65372887 100644
--- a/pkgs/applications/networking/cluster/helm/default.nix
+++ b/pkgs/applications/networking/cluster/helm/default.nix
@@ -10,16 +10,16 @@
 
 buildGoModule (finalAttrs: {
   pname = "kubernetes-helm";
-  version = "4.2.0";
+  version = "4.2.1";
 
   src = fetchFromGitHub {
     owner = "helm";
     repo = "helm";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-Wyihzf7KpnVuIdp5lmjhB7uLAGgtmI0TXYl29uaVC5Y=";
+    hash = "sha256-k2lZXdWYnewNiZdLNQrC5j9A3JkvYCwMY486QxjCpaw=";
   };
 
-  vendorHash = "sha256-QTDC0v0BPE3FoK9AAq1n2jWxOE9gB9OsoY2wnpcCDUQ=";
+  vendorHash = "sha256-XIKQF9PWgxKJUt66wQ/mPhWVfJnra0vV9ZuyclgQ21U=";
 
   subPackages = [ "cmd/helm" ];
   ldflags = [