diff --git a/requirements.txt b/requirements.txt
index 279d521..39761e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 certifi==2018.4.16
 chardet==3.0.4
-httplib2==0.11.3
+httplib2==0.19.0
 idna==2.7
 oauth2client==4.1.2
 pyasn1==0.4.4