diff --git a/setup.py b/setup.py
index a4ec07ba..00dd1cd6 100644
--- a/setup.py
+++ b/setup.py
@@ -26,6 +26,8 @@
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import os
+
 from setuptools import find_packages, setup