diff --git a/pkgs/development/python-modules/xml2rfc/default.nix b/pkgs/development/python-modules/xml2rfc/default.nix
index c975218e5b1d..b623fc37c224 100644
--- a/pkgs/development/python-modules/xml2rfc/default.nix
+++ b/pkgs/development/python-modules/xml2rfc/default.nix
@@ -4,12 +4,12 @@
 
 buildPythonPackage rec {
   pname = "xml2rfc";
-  version = "3.8.0";
+  version = "3.9.1";
   disabled = pythonAtLeast "3.9";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8e25a9d73acf57ade798fc67841277dbbdb81ced390e6f84362370305b127426";
+    sha256 = "76cee167e81fc3cc0e0cc696fe58cadd039e19a774c8f4d2e5c0fea724c7aaca";
   };
 
   propagatedBuildInputs = [