diff --git a/requirements_dev.txt b/requirements_dev.txt
index c498a9b..652a091 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 attrs==21.2.0
 autopep8==1.5.7
-bleach==3.1.4
+bleach==3.3.0
 bump2version==1.0.1
 bumpversion==0.6.0
 certifi==2020.4.5.1