Allow multiple versions to be installed

diff --git a/requirements.txt b/requirements.txt
index 7dd33e0dceb53d4a9419e08644fe1412178777cc..3bb53b314fcb66e814678fea3d837bebb6356451 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-requests==2.4.3
-requests_oauthlib==0.4.1
-six==1.7.3
+requests>=2.4.3
+requests_oauthlib>=0.4.1
+six>=1.7.3