diff --git a/pkgs/applications/networking/cluster/helm/chart-testing/default.nix b/pkgs/applications/networking/cluster/helm/chart-testing/default.nix
index 016eb40745b0..5433622c1605 100644
--- a/pkgs/applications/networking/cluster/helm/chart-testing/default.nix
+++ b/pkgs/applications/networking/cluster/helm/chart-testing/default.nix
@@ -13,16 +13,16 @@
 
 buildGoModule rec {
   pname = "chart-testing";
-  version = "3.7.1";
+  version = "3.8.0";
 
   src = fetchFromGitHub {
     owner = "helm";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-b8U7zVvzewSxqX7RG7+FMAVytW4s2apNxR3krNJuiro=";
+    hash = "sha256-ccP3t+Q4aZviYw8by2JDiuKHt7o6EKFxBxlhEntmV5A=";
   };
 
-  vendorHash = "sha256-z4hNGswxRMU40qkgwY3n516FiyaoeDaAE+CCla3TMkk=";
+  vendorHash = "sha256-4x/8uDCfrERC+ww+iyP+dHIQ820IOARXj60KnjqeDkM=";
 
   postPatch = ''
     substituteInPlace pkg/config/config.go \