diff --git a/requirements.txt b/requirements.txt
index fd6d8f3..75ab63b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ Flask-SQLAlchemy==2.4.3
 SQLAlchemy==1.3.19
 Flask-Script==2.0.6
 py-ms[all]==2.6.0
-marshmallow==3.6.1
+marshmallow==3.8.0
 marshmallow-sqlalchemy==0.23.1
\ No newline at end of file