diff --git a/requirements.txt b/requirements.txt
index 8c73b08..fd99a17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ httplib2==0.9.2
 numpy==1.10.4
 oauth2client==2.0.1
 protobuf==3.0.0b2
-urllib3==1.14
+urllib3==1.24.2
 XlsxWriter==0.8.4
 scikit-learn==0.17.1
 scipy==0.17.0