diff --git a/requirements.txt b/requirements.txt
index efc3c5c..dfe366c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ astor==0.8.1
 attrs==19.3.0
 backcall==0.1.0
 bjoern==3.1.0
-bleach==3.1.4
+bleach==3.3.0
 cachetools==4.0.0
 certifi==2019.11.28
 click==7.1.1