Updated from global requirements

Change-Id: Ib786085754afbc2db66ea97b1369551071f5b12d
diff --git a/requirements.txt b/requirements.txt
index 1ce2fc5..94c6fb0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@
 httplib2>=0.7.5
 jsonschema>=2.0.0,<3.0.0
 testtools>=0.9.36,!=1.2.0
-boto>=2.32.1,<2.35.0
+boto>=2.32.1
 paramiko>=1.13.0
 netaddr>=0.7.12
 python-ceilometerclient>=1.0.6