diff --git a/2021/pyconus_2021/requirements.txt b/2021/pyconus_2021/requirements.txt
index 9925d2f..81a99f9 100644
--- a/2021/pyconus_2021/requirements.txt
+++ b/2021/pyconus_2021/requirements.txt
@@ -8,7 +8,7 @@ bashlex==0.15
 beautifulsoup4==4.9.1
 billiard==3.6.3.0
 black==20.8b1
-bleach==3.1.5
+bleach==3.3.0
 build==0.3.1.post1
 bump==1.2.0
 cachetools==4.2.0