diff --git a/requirements.txt b/requirements.txt
index 75a80b7..0490fe6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.1
 googleapis-common-protos==1.52.0
 gunicorn==20.0.4
-httplib2==0.18.1
+httplib2==0.19.0
 idna==2.9
 isort==4.3.21
 jdcal==1.4.1