diff --git a/requirements.txt b/requirements.txt
index f585356..b684d58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Flask==1.0.2
 Flask-SQLAlchemy==2.3.2
 Flask-WTF==0.14.2
 gensim==3.7.0
-httplib2==0.9.2
+httplib2==0.19.0
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10