diff --git a/requirements.txt b/requirements.txt
index 3860c8a..2394549 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 Click==7.0
 Flask==1.0.2
 hiredis==0.3.1
-httplib2==0.12.0
+httplib2==0.18.0
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10