diff --git a/requirements.txt b/requirements.txt
index feb2941..1280a27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 attrs==19.3.0
 backcall==0.2.0
 bids-validator==1.5.2
-bleach==3.1.5
+bleach==3.3.0
 certifi==2020.4.5.2
 chardet==3.0.4
 ci-info==0.2.0