diff --git a/pkgs/applications/networking/cluster/helmsman/default.nix b/pkgs/applications/networking/cluster/helmsman/default.nix
index 32ecc8b7c174..ed828feefdae 100644
--- a/pkgs/applications/networking/cluster/helmsman/default.nix
+++ b/pkgs/applications/networking/cluster/helmsman/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "helmsman";
-  version = "3.6.5";
+  version = "3.6.6";
 
   src = fetchFromGitHub {
     owner = "Praqma";
     repo = "helmsman";
     rev = "v${version}";
-    sha256 = "sha256-FOBSGXVIb4mLDHMqOljZ04W0q/H/HOuFm9Cl2kK027s=";
+    sha256 = "sha256-SGVch7mMtHi5GYFOrSss4dk29aRTQmBzkPYOetPdF88=";
   };
 
   vendorSha256 = "sha256-mktq5Dnk1mBO2yy5SeMDxa/akXdO5i2WafMTGtH53H8=";