diff --git a/pkgs/development/python-modules/xmlschema/default.nix b/pkgs/development/python-modules/xmlschema/default.nix
index e31054e74c13..58d50d7b6cf3 100644
--- a/pkgs/development/python-modules/xmlschema/default.nix
+++ b/pkgs/development/python-modules/xmlschema/default.nix
@@ -5,14 +5,14 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.4.1";
+  version = "1.5.3";
   pname = "xmlschema";
 
   src = fetchFromGitHub {
     owner = "sissaschool";
     repo = "xmlschema";
     rev = "v${version}";
-    sha256 = "1yd7whf74z8bw99gldxlnrs8bjnjzald29b5cf2ka0i144sxbvad";
+    sha256 = "0pv8zdz03wjnjwrgjr5pc3q69h7zh51h0iwgwxwl65qi1r6ydk54";
   };
 
   propagatedBuildInputs = [ elementpath ];