diff --git a/pkgs/development/python-modules/keba-kecontact/default.nix b/pkgs/development/python-modules/keba-kecontact/default.nix
index 7768da48715d..8f95da8d2bb2 100644
--- a/pkgs/development/python-modules/keba-kecontact/default.nix
+++ b/pkgs/development/python-modules/keba-kecontact/default.nix
@@ -11,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "keba-kecontact";
-  version = "4.0.2";
+  version = "4.2.1";
   pyproject = true;
 
   disabled = pythonOlder "3.11";
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     owner = "dannerph";
     repo = "keba-kecontact";
     rev = "refs/tags/${version}";
-    hash = "sha256-HzfoWijsrtDNElqyxWB7f07OTMIoS/fEjmdX59G+Hw0=";
+    hash = "sha256-2XWZt9H+1m4TX0C3cjEIlkrXp6BSArUsbLi+VKGDqhE=";
   };
 
   build-system = [ hatchling ];