diff --git a/requirements.txt b/requirements.txt
index 836f86c..43dabbc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ google-api-python-client==1.7.11
 google-auth==1.10.0
 google-auth-httplib2==0.0.3
 googleapis-common-protos==1.6.0
-httplib2==0.15.0
+httplib2==0.19.0
 idna==2.8
 itsdangerous==1.1.0
 jieba3k==0.35.1