diff --git a/dash-heroku-master/requirements.txt b/dash-heroku-master/requirements.txt
index a61c9df..3174866 100644
--- a/dash-heroku-master/requirements.txt
+++ b/dash-heroku-master/requirements.txt
@@ -10,7 +10,7 @@ autopep8==1.5
 backcall==0.1.0
 base58==2.0.0
 beautifulsoup4==4.8.1
-bleach==3.1.4
+bleach==3.3.0
 blinker==1.4
 blis==0.4.1
 boto==2.49.0