diff --git a/requirements.txt b/requirements.txt
index cfe1a957..cdb0fc1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ ItsDangerous==2.2.0
 Jinja2==3.1.4
 jira==2.0.0
 Markdown==2.6.11
-marshmallow==3.20.1
+marshmallow==3.23.1
 MarkupSafe==2.1.5
 py-gfm==0.1.4
 pytest==8.3.2