diff --git a/Pipfile b/Pipfile
index c9a4cc80..e3e23f2d 100644
--- a/Pipfile
+++ b/Pipfile
@@ -3,6 +3,9 @@ url = "https://pypi.python.org/simple"
 verify_ssl = true
 name = "pypi"
 
+[requires]
+python_version = '3.6'
+
 [dev-packages]
 awscli = "*"
 ipdb = "*"