1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index dc346e1..3e71c30 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))  # noqa
 import flake8
 
 
-tests_require = ['mock', 'pytest']
+tests_require = ['mock >= 2.0.0', 'pytest']
 
 requires = [
     "pyflakes >= 0.8.1, != 1.2.0, != 1.2.1, != 1.2.2, < 1.4.0",