diff --git a/setup.py b/setup.py
index 8f70bf0..cf496be 100644
--- a/setup.py
+++ b/setup.py
@@ -5,6 +5,7 @@ import os
 import glob
 import re
 import sys
+import subprocess
 
 from distutils.cmd import Command
 from setuptools.command.install_lib import install_lib as _install_lib