diff --git a/pkgs/development/python-modules/xknx/default.nix b/pkgs/development/python-modules/xknx/default.nix
index 3706e87bbeb..efb944c4a71 100644
--- a/pkgs/development/python-modules/xknx/default.nix
+++ b/pkgs/development/python-modules/xknx/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "xknx";
-  version = "0.21.0";
+  version = "0.21.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.8";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "XKNX";
     repo = pname;
     rev = "refs/tags/${version}";
-    sha256 = "sha256-9fpWl9mYhYwc8Ig4uCF1RJvWS3LqrZQx88IrdaSPo7c=";
+    sha256 = "sha256-QNy/jUh/kIj6sabWnmC5L00ikBTrVmOEp6mFBya29WM=";
   };
 
   propagatedBuildInputs = [