diff --git a/requirements/heroku.txt b/requirements/heroku.txt
index 40a885c..10c33d1 100644
--- a/requirements/heroku.txt
+++ b/requirements/heroku.txt
@@ -1,5 +1,5 @@
 alembic==0.9.3
-bleach==3.1.0
+bleach==3.3.0
 blinker==1.4
 certifi==2018.11.29
 chardet==3.0.4