diff --git a/requirements.txt b/requirements.txt
index e087a6d..f5aa5a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 pycryptodome>=3.4
 requests>=2.5,<3.0
-six~=1.10
+six>=1.10,<2.0
diff --git a/setup.py b/setup.py
index 2062f8d..49320f7 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
 
 setup(
     name="keen",
-    version="0.5.1",
+    version="0.5.2",
     description="Python Client for Keen IO",
     long_description=codecs.open(os.path.join('README.rst'), 'r', encoding='UTF-8').read(),
     author="Keen IO",