diff --git a/pkgs/development/python-modules/signxml/default.nix b/pkgs/development/python-modules/signxml/default.nix
index 433858761261..22ff48935942 100644
--- a/pkgs/development/python-modules/signxml/default.nix
+++ b/pkgs/development/python-modules/signxml/default.nix
@@ -13,7 +13,7 @@
 
 buildPythonPackage rec {
   pname = "signxml";
-  version = "4.0.2";
+  version = "4.0.3";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -22,7 +22,7 @@ buildPythonPackage rec {
     owner = "XML-Security";
     repo = "signxml";
     rev = "refs/tags/v${version}";
-    hash = "sha256-ZpboU0N8dD03yHSboMpC+TJvp16StM45Qhn0Hv9+6fg=";
+    hash = "sha256-TZqYNYVzGEhftP/RXiBtThK38AOPLi2DRAwnFh2Za5U=";
   };
 
   build-system = [ setuptools ];