diff --git a/requirements.txt b/requirements.txt
index 1ad9542..e899d87 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 backports.weakref==1.0rc1
 bkcharts==0.2
-bleach==1.5.0
+bleach==3.1.4
 bokeh==0.12.6
 certifi==2017.4.17
 chardet==3.0.4