diff --git a/pkgs/development/python-modules/psycopg2cffi/default.nix b/pkgs/development/python-modules/psycopg2cffi/default.nix
index 8f361c109dee..5f538647776e 100644
--- a/pkgs/development/python-modules/psycopg2cffi/default.nix
+++ b/pkgs/development/python-modules/psycopg2cffi/default.nix
@@ -7,6 +7,7 @@
   postgresql,
   postgresqlTestHook,
   pytestCheckHook,
+  pythonAtLeast,
   setuptools,
   six,
   stdenv,
@@ -56,6 +57,11 @@ buildPythonPackage rec {
     "testEmptyArray"
   ];
 
+  disabledTestPaths = lib.optionals (pythonAtLeast "3.13") [
+    # testutils.script_to_py3 imports lib2to3, removed in 3.13
+    "psycopg2cffi/tests/psycopg2_tests/test_notify.py"
+  ];
+
   env = {
     PGDATABASE = "psycopg2_test";
   };