diff --git a/dispatcher/requirements.txt b/dispatcher/requirements.txt
index da8bb861..4339979e 100644
--- a/dispatcher/requirements.txt
+++ b/dispatcher/requirements.txt
@@ -24,7 +24,7 @@ google-resumable-media==0.5.0
 googleapis-common-protos==1.51.0
 grpcio==1.28.1
 gunicorn==20.0.4
-httplib2==0.17.3
+httplib2==0.18.0
 idna==2.9
 Markdown==3.2.1
 msgpack==1.0.0