diff --git a/requirements.txt b/requirements.txt
index 0ef6da1..570f06d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ et-xmlfile==1.0.1
 Flask==1.1.1
 flask-restplus==0.13.0
 gunicorn==20.0.4
-httplib2==0.17.3
+httplib2==0.19.0
 idna==2.9
 idna-ssl==1.1.0
 ipykernel==5.1.2