diff --git a/requirements.txt b/requirements.txt
index 166ffe14..19b6f270 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ eth-rlp==0.1.2
 eth-utils==1.0.3
 google-cloud==0.34.0
 hexbytes==0.1.0
-httplib2==0.9.2
+httplib2==0.19.0
 hyperlink==18.0.0
 idna==2.7
 incremental==17.5.0