diff --git a/requirements.txt b/requirements.txt
index 724e6dd..3358c57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ celery==4.4.2
 certifi==2019.11.28
 chardet==3.0.4
 gspread==3.3.0
-httplib2==0.17.0
+httplib2==0.19.0
 idna==2.9
 importlib-metadata==1.5.0
 kombu==4.6.8