diff --git a/requirements.txt b/requirements.txt
index edac1ac..72b1e02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ google-api-python-client==1.8.2
 google-auth==1.14.1
 google-auth-httplib2==0.0.3
 googleapis-common-protos==1.51.0
-httplib2==0.18.0
+httplib2==0.19.0
 oauth2client==4.1.3
\ No newline at end of file