diff --git a/setup.py b/setup.py
index 69866e6..a6f7ee9 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 requirements = [
     'six<2',
     'python-box<4',
-    'watchdog',
+    'watchdog<1',
 ]
 
 extras = {