diff --git a/requirements/requirements-base.txt b/requirements/requirements-base.txt
index aedb825..dc85a63 100644
--- a/requirements/requirements-base.txt
+++ b/requirements/requirements-base.txt
@@ -12,5 +12,5 @@ pyfcm
 
 # sms/phone
 phonenumbers>=7.7.3
-twilio>=6.0.0,<8.0.0
+twilio>=6.0.0,<9.0.0
 boto3>1.4.0,<2.0.0