diff --git a/requirements.txt b/requirements.txt
index ef7a3bf..8b1804c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ flask==3.0.3
 sanic==25.12.0
 
 #dev dependencies
-marshmallow==4.1.2
+marshmallow==4.2.2
 coverage==7.13.1
 python-dotenv==1.0.1
 setuptools==80.9.0