diff --git a/build.py b/build.py
index ce5e7af2..bd932cc7 100755
--- a/build.py
+++ b/build.py
@@ -41,7 +41,7 @@ except ImportError:
     from buildtools.backports.shutil_which import which
 
 
-from distutils.dep_util import newer, newer_group
+from setuptools.modified import newer, newer_group
 from buildtools.config  import Config, msg, opj, posixjoin, loadETG, etg2sip, findCmd, \
                                phoenixDir, wxDir, copyIfNewer, copyFile, \
                                macSetLoaderNames, \
diff --git a/buildtools/config.py b/buildtools/config.py
index 94c216ec..d84544ea 100644
--- a/buildtools/config.py
+++ b/buildtools/config.py
@@ -23,7 +23,7 @@ import platform
 
 from distutils.file_util import copy_file
 from distutils.dir_util  import mkpath
-from distutils.dep_util  import newer
+from setuptools.modified  import newer
 
 import distutils.sysconfig
 
diff --git a/buildtools/distutils_hacks.py b/buildtools/distutils_hacks.py
index 3626e986..8c81bd3f 100644
--- a/buildtools/distutils_hacks.py
+++ b/buildtools/distutils_hacks.py
@@ -18,7 +18,7 @@ import distutils.command.install_data
 import distutils.command.install_headers
 import distutils.command.clean
 
-from   distutils.dep_util import newer, newer_group
+from setuptools.modified import newer, newer_group
 from distutils import log
 
 from .config import Config, posixjoin, loadETG, etg2sip