diff --git a/setup.py b/setup.py
index 717e12cc..e365fd69 100755
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
     },
     install_requires=[
         'Flask>=0.9',
-        'python-socketio>=1.6.1'
+        'python-socketio>=2.1.0'
     ],
     tests_require=[
         'coverage'