diff --git a/requirements.txt b/requirements.txt
index 951926b..4bbeac3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Babel==2.8.0
 backcall==0.1.0
 bcrypt==3.1.7
 beautifulsoup4==4.8.2
-bleach==3.1.0
+bleach==3.3.0
 bs4==0.0.1
 BTrees==4.6.1
 certifi==2019.11.28