diff --git a/setup.py b/setup.py
index f889cc1..f8eda34 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ setup(name='jiagu',
       author_email='help@ownthink.com',
       url='https://github.com/ownthink/Jiagu',
       license='MIT',
-      install_requires=['tensorflow>=1.6.0', 'numpy>=1.12.1'],
+      install_requires=['tensorflow==1.6.0', 'numpy>=1.12.1'],
       packages=['jiagu'],
       package_dir={'jiagu': 'jiagu'},
       package_data={'jiagu': ['*.*', 'cluster/*', 'data/*', 'model/*',