diff --git a/requirements.txt b/requirements.txt
index 58f8030..86f802b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ cryptography==3.2
 enum34==1.1.6
 Flask==1.0
 future==0.15.2
-httplib2==0.18.0
+httplib2==0.19.0
 idna==2.1
 ipaddress==1.0.16
 itsdangerous==0.24