diff --git a/setup.py b/setup.py
index 129303d..fd934ea 100644
--- a/setup.py
+++ b/setup.py
@@ -9,8 +9,8 @@ import itertools
 def version():
     version_py = os.path.join(os.path.dirname(__file__), "zulip", "__init__.py")
     with open(version_py) as in_handle:
-        version_line = itertools.dropwhile(lambda x: not x.startswith("__version__"),
-                                           in_handle).next()
+        version_line = next(itertools.dropwhile(lambda x: not x.startswith("__version__"),
+                                           in_handle))
     version = version_line.split('=')[-1].strip().replace('"', '')
     return version