diff --git a/requirements.txt b/requirements.txt
index 0ac473f..edf0340 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ redis==8.1.0
 gunicorn==26.0.0
 apispec==6.10.0
 apispec-webframeworks==1.2.0
-marshmallow==4.3.0
+marshmallow==4.3.1
 flask-swagger-ui==5.32.12
 pytest==9.1.1
 pytest-cov==7.1.0