diff --git a/requirements.txt b/requirements.txt
index bcdbc3e..17efc4b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ backcall==0.1.0
 backports.functools-lru-cache==1.4
 backports.weakref==1.0rc1
 beautifulsoup4==4.6.0
-bleach==1.5.0
+bleach==3.3.0
 blinker==1.4
 bokeh==0.12.13
 boto==2.48.0