diff --git a/requirements.txt b/requirements.txt
index 68149b0..8ad1f7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ googleapis-common-protos==1.6.0
 grpcio==1.23.0
 html5lib==1.0.1
 htmlmin==0.1.12
-httplib2==0.9.2
+httplib2==0.19.0
 idna==2.8
 iexfinance==0.4.3
 itsdangerous==1.1.0