diff --git a/setup.py b/setup.py
index 879d94a6..c25b3680 100755
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,8 @@ packages = [
     'requests.packages.urllib3',
     'requests.packages.urllib3.packages',
     'requests.packages.urllib3.contrib',
-    'requests.packages.urllib3.packages.ssl_match_hostname'
+    'requests.packages.urllib3.util',
+    'requests.packages.urllib3.packages.ssl_match_hostname',
 ]
 
 requires = []