diff --git a/setup.py b/setup.py
index b41e0c85f..1283b6af8 100755
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@ def is_new_osx():
         return False
 
 
-PACKAGE_DATA = {"": ["*.pyx", "*.pxd", "*.txt", "*.tokens"]}
+PACKAGE_DATA = {"": ["*.pyx", "*.pxd", "*.txt", "*.tokens", ".json"]}
 
 
 PACKAGES = find_packages()