diff --git a/requirements.txt b/requirements.txt
index 94eac4d..b85f87b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ google-auth==1.17.0
 google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.1
 googleapis-common-protos==1.52.0
-httplib2==0.18.1
+httplib2==0.19.0
 idna==2.9
 oauth2client==4.1.3
 oauthlib==3.1.0