diff --git a/requirements.txt b/requirements.txt
index 6ac9be3b27a..42e8d1c72e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ debtcollector>=1.19.0 # Apache-2.0
 decorator>=4.1.0 # BSD
 eventlet>=0.36.1 # MIT
 pecan>=1.4.0 # BSD
-httplib2>=0.9.1 # MIT
+httplib2>=0.22.0 # MIT
 requests>=2.18.0 # Apache-2.0
 Jinja2>=2.10 # BSD License (3 clause)
 keystonemiddleware>=5.1.0 # Apache-2.0