diff --git a/requirements.txt b/requirements.txt
index 44fb99c..a14a67d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ bcrypt==3.1.3
 beautifulsoup4==4.6.0
 bitarray==0.8.1
 blaze==0.10.1
-bleach==1.5.0
+bleach==3.3.0
 bokeh==0.12.5
 boto==2.46.1
 Bottleneck==1.2.1