diff --git a/setup.py b/setup.py
index 5aa51e5..9c23555 100644
--- a/setup.py
+++ b/setup.py
@@ -26,5 +26,5 @@ def read(fname):
     packages=['forecastio'],
     package_data={'forecastio': ['LICENSE.txt', 'README.rst']},
     long_description=open('README.rst').read(),
-    install_requires=['requests>=1.6', 'responses'],
+    install_requires=['requests>=1.6', 'responses<=0.23.1'],
 )