1 files changed, 4 insertions, 4 deletions
diff --git a/setup.py b/setup.py
index e99c159c..359b7646 100644
--- a/setup.py
+++ b/setup.py
@@ -5,10 +5,10 @@ setup(
     version='1.0',
     py_modules=['rtool'],
     install_requires=[
-        'click>=6.2',
-        'twine>=1.6.4',
-        'virtualenv>=13.1.2',
-        'wheel>=0.26.0',
+        "click>=6.2, <7.0",
+        'twine>=1.6.5, <1.7',
+        'virtualenv>=14.0.5, <14.1',
+        'wheel>=0.26.0, <0.27',
     ],
     entry_points={
         'console_scripts': [