diff --git a/requirements.txt b/requirements.txt
index 4c8fd88..d9e9295 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ attrs==19.1.0
 autopep8==1.4.4
 backcall==0.1.0
 beautifulsoup4==4.8.0
-bleach==3.1.4
+bleach==3.3.0
 bqplot==0.11.8
 bs4==0.0.1
 certifi==2019.6.16