diff --git a/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix b/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
index 8e0d04907b54..91fca231275a 100644
--- a/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
+++ b/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "helm-unittest";
-  version = "0.5.2";
+  version = "0.6.3";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-xA0dA8q7ZDQk35VjyIsJFbm3OlagnIbJ/iz5z2KsxjU=";
+    hash = "sha256-OXl3Ax/sqCNcj2uDb0VctJ6Njrd5blkFuur6FT9HOl4=";
   };
 
-  vendorHash = "sha256-hSnTjEvi1Lexp7wAogqeoXWDCg/bvblw0bt1/lX9iR0=";
+  vendorHash = "sha256-i9H65843XynaaNQLIQkBcgDsjnft3nxz6eWdZM9Dn9U=";
 
   # NOTE: Remove the install and upgrade hooks.
   postPatch = ''