diff --git a/setup.py b/setup.py
index 8a8c06fc..89172e98 100755
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,7 @@ VERSION = '3.30'
 install_requires = ['psutil', 'colorama', 'six', 'decorator', 'pyte']
 extras_require = {':python_version<"3.4"': ['pathlib2'],
                   ':python_version<"3.3"': ['backports.shutil_get_terminal_size'],
+                  ':python_version<="2.7"': ['decorator<5'],
                   ":sys_platform=='win32'": ['win_unicode_console']}
 
 setup(name='thefuck',