diff --git a/setup.py b/setup.py
index 08234cc..0d289d7 100644
--- a/setup.py
+++ b/setup.py
@@ -43,7 +43,7 @@
 
     keywords = ['android', 'adb', 'fastboot'],
 
-    requires = ['gflags', 'libusb1', 'M2Crypto'],
+    install_requires = ['libusb1', 'python-gflags', 'M2Crypto'],
 
 ## classifier list https://pypi.python.org/pypi?:action=list_classifiers
     classifiers = [