diff --git a/requirements.txt b/requirements.txt
index 7212e16..1bac78c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ google-auth==1.11.3
 google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.1
 googleapis-common-protos==1.51.0
-httplib2==0.18.0
+httplib2==0.19.0
 idna==2.9
 isort==4.3.21
 lazy-object-proxy==1.4.3