diff --git a/requirements.txt b/requirements.txt
index 4dfc8d7..a9aecd9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ greenlet==0.4.15
 gspread==3.0.1
 gunicorn==19.9.0
 h5py==2.8.0
-httplib2==0.12.0
+httplib2==0.19.0
 idna==2.7
 kiwisolver==1.0.1
 lxml==4.2.5