diff --git a/requirements.txt b/requirements.txt
index 60e3a81..a2a1fe4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.1
 googleapis-common-protos==1.51.0
 holidays==0.10.1
-httplib2==0.17.2
+httplib2==0.19.0
 idna==2.9
 ipykernel==5.1.4
 ipython==7.13.0