diff --git a/envs/requirements.txt b/envs/requirements.txt
index bfac527..b539226 100644
--- a/envs/requirements.txt
+++ b/envs/requirements.txt
@@ -5,7 +5,7 @@ amqp==2.1.4
 arrow==0.10.0
 Babel==2.9.1
 beautifulsoup4==4.6.0
-bleach==3.3.0
+bleach==6.4.0
 cliff==2.7.0
 cmd2==0.7.2
 coverage==4.3.4