diff --git a/requirements.txt b/requirements.txt
index 881f353..a8b9f5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ Flask-SQLAlchemy==2.4.1
 SQLAlchemy==1.3.13
 Flask-Script==2.0.6
 py-ms==2.2.2
-marshmallow==3.5.0
+marshmallow==3.5.1
 marshmallow-sqlalchemy==0.22.3
\ No newline at end of file