1 files changed, 2 insertions, 0 deletions

diff --git a/Pipfile b/Pipfile
index ee298a4f..88a95815 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,6 +4,8 @@ url = "https://pypi.python.org/simple"
 verify_ssl = true
 name = "pypi"
 
+[requires]
+python_version = "3.6.4"
 
 [packages]