diff --git a/setup.py b/setup.py
index c4a867d..e389227 100644
--- a/setup.py
+++ b/setup.py
@@ -27,6 +27,7 @@
         "requests",
         "dnspython>=2.1.0",
         "rangehttpserver",
+        "setuptools",
     ],
     classifiers=[
         "Programming Language :: Python :: 3",