diff --git a/Tools/peg_generator/pegen/build.py b/Tools/peg_generator/pegen/build.py
index 41338c29bdd9eb..67a7c0c4788e9d 100644
--- a/Tools/peg_generator/pegen/build.py
+++ b/Tools/peg_generator/pegen/build.py
@@ -95,7 +95,7 @@ def compile_c_extension(
     import setuptools.logging
 
     from setuptools import Extension, Distribution
-    from setuptools.modified import newer_group
+    from setuptools._distutils.dep_util import newer_group
     from setuptools._distutils.ccompiler import new_compiler
     from setuptools._distutils.sysconfig import customize_compiler