diff --git a/requirements/common.txt b/requirements/common.txt
index 2c3fb09c..193eae1d 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -18,7 +18,7 @@ SQLAlchemy==1.3.0
 WTForms==2.1
 Werkzeug==0.15.4
 alembic==0.9.5
-bleach==3.1.1
+bleach==3.3.0
 blinker==1.4
 html5lib==1.0b10
 itsdangerous==0.24