diff --git a/requirements.txt b/requirements.txt
index 2271cbb..5d63aae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 astor==0.8.0
 attrs==19.1.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.3.0
 certifi==2019.9.11
 Click==7.0
 cloudpickle==1.2.1