diff --git a/requirements.txt b/requirements.txt
index 2d67f24..33fa7d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 backcall==0.1.0
-bleach==3.0.2
+bleach==3.3.0
 bokeh==1.0.0
 colorama==0.4.0
 cycler==0.10.0