diff --git a/pkgs/development/python-modules/xmlschema/default.nix b/pkgs/development/python-modules/xmlschema/default.nix
index 6c2118f391b4..960dd227388d 100644
--- a/pkgs/development/python-modules/xmlschema/default.nix
+++ b/pkgs/development/python-modules/xmlschema/default.nix
@@ -5,14 +5,14 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.6.4";
+  version = "1.7.0";
   pname = "xmlschema";
 
   src = fetchFromGitHub {
     owner = "sissaschool";
     repo = "xmlschema";
     rev = "v${version}";
-    sha256 = "sha256-0KVGu163t3stCgx7aWW/Ggf6CUW2ZhOOnPU6FfGHfKA=";
+    sha256 = "0vf0gj1sbv9f7gjm3zbyl0b8pkrn00yzx57ddff0h2kazv8jlpwi";
   };
 
   propagatedBuildInputs = [ elementpath ];