diff --git a/pkgs/development/python-modules/rnginline/default.nix b/pkgs/development/python-modules/rnginline/default.nix
index 2903291088b6..670e068e22b6 100644
--- a/pkgs/development/python-modules/rnginline/default.nix
+++ b/pkgs/development/python-modules/rnginline/default.nix
@@ -2,6 +2,7 @@
   lib,
   fetchPypi,
   buildPythonPackage,
+  pythonAtLeast,
   poetry-core,
   lxml,
   docopt-ng,
@@ -43,6 +44,11 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
+  disabledTests = lib.optionals (pythonAtLeast "3.14") [
+    # pathname2url now emits RFC 1738 authority-prefixed file URLs for absolute paths
+    "test_file_url_roundtrip"
+  ];
+
   pythonImportsCheck = [ "rnginline" ];
 
   meta = {