diff --git a/docker/dev.requirements.txt b/docker/dev.requirements.txt
index 76faae615..d9be755fa 100644
--- a/docker/dev.requirements.txt
+++ b/docker/dev.requirements.txt
@@ -41,7 +41,7 @@ Babel==2.12.1
 backcall==0.2.0
 backports.lzma==0.0.14
 beautifulsoup4==4.12.2
-bleach==6.0.0
+bleach==6.4.0
 cachetools==5.3.1
 certifi==2023.7.22
 cffi==1.15.1