diff --git a/pkgs/development/python-modules/xml2rfc/default.nix b/pkgs/development/python-modules/xml2rfc/default.nix
index 3d55b0450972..19881cdf10d9 100644
--- a/pkgs/development/python-modules/xml2rfc/default.nix
+++ b/pkgs/development/python-modules/xml2rfc/default.nix
@@ -24,7 +24,7 @@
 
 buildPythonPackage rec {
   pname = "xml2rfc";
-  version = "3.30.2";
+  version = "3.31.0";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -33,7 +33,7 @@ buildPythonPackage rec {
     owner = "ietf-tools";
     repo = "xml2rfc";
     tag = "v${version}";
-    hash = "sha256-yCCENooemgSLRVW+JkE8UVEcPke2SbEbW9r2nhhSLbY=";
+    hash = "sha256-thgLt1PHXbKxDDhqQcHUP/AZsGq/OfAOSRV9KrFmPWw=";
   };
 
   postPatch = ''