diff --git a/src/requirements.txt b/src/requirements.txt
index e64c3d8..9284ed5 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -2,5 +2,5 @@ azure-functions
 google-api-python-client==1.7.11
 google-auth==1.10.1
 google-auth-httplib2==0.0.3
-httplib2==0.18.0
+httplib2==0.19.0
 oauth2client==4.1.3
\ No newline at end of file