diff --git a/pkgs/development/python-modules/klaus/default.nix b/pkgs/development/python-modules/klaus/default.nix
index 1629c55a439e..687798735d3e 100644
--- a/pkgs/development/python-modules/klaus/default.nix
+++ b/pkgs/development/python-modules/klaus/default.nix
@@ -2,13 +2,13 @@
 
 python.pkgs.buildPythonPackage rec {
   pname = "klaus";
-  version = "1.3.0";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "jonashaag";
     repo = pname;
     rev = version;
-    sha256 = "04zjvrpx66x2c0v74nvmq8x7s7c8994cv1zwd5hfn9alq82hqcgr";
+    sha256 = "041l5dpymi9h0yyr55r6m0skp0m2ags3miay0s1bgfcp469k0l20";
   };
 
   prePatch = ''