diff --git a/requirements.txt b/requirements.txt
index fcaba8a..816b01a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ attrs==19.3.0
 backcall==0.1.0
 bcrypt==3.1.7
 bids-validator==1.5.2
-bleach==3.1.4
+bleach==3.3.0
 cached-property==1.5.1
 certifi==2020.4.5.1
 cffi==1.14.0