diff --git a/requirements.txt b/requirements.txt
index 9c4c15ff7..2986b25e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ python-ldap
 pytz
 PyYAML
 raven
-requests
+requests==2.18.4
 rpclib==2.7.0-beta
 sasl
 six>=1.10