diff --git a/requirements.txt b/requirements.txt
index a37830c..cb370ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ googleapis-common-protos==1.51.0
 grpcio==1.28.1
 h2==2.6.2
 hpack==3.0.0
-httplib2==0.18.0
+httplib2==0.19.0
 hyper==0.7.0
 hyperframe==3.2.0
 identify==1.4.7