diff --git a/requirements.txt b/requirements.txt
index 94afd8d..c8a3a6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ grpcio==1.22.0
 guacamole==0.9.2
 h5py==2.9.0
 html5lib==0.999
-httplib2==0.9.1
+httplib2==0.19.0
 idna==2.0
 ipykernel==5.1.1
 ipython==7.6.1