diff --git a/g-cloud/requirements.txt b/g-cloud/requirements.txt
index 54cb0b2..284bedc 100644
--- a/g-cloud/requirements.txt
+++ b/g-cloud/requirements.txt
@@ -24,7 +24,7 @@ backports.weakref==1.0.post1
 beautifulsoup4==4.8.2
 bitarray==1.2.1
 bkcharts==0.2
-bleach==3.1.0
+bleach==3.3.0
 bokeh==1.4.0
 boto==2.49.0
 Bottleneck==1.3.2