diff --git a/requirements.txt b/requirements.txt
index 6e98172..5fca60c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ backports.shutil-get-terminal-size==1.0.0
 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==2.48.0
 boto3==1.5.32