diff --git a/requirements.txt b/requirements.txt
index e33dc92..35d423f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ backports.weakref==1.0.post1
 beautifulsoup4==4.8.0
 bitarray==1.0.1
 bkcharts==0.2
-bleach==3.1.0
+bleach==3.3.0
 bokeh==1.3.4
 boto==2.49.0
 Bottleneck==1.2.1