diff --git a/requirements.in b/requirements.in
index 8feb52f79..861be1ba3 100644
--- a/requirements.in
+++ b/requirements.in
@@ -15,7 +15,7 @@ iso8601==1.0.2
 itsdangerous==2.1.2
 jsonschema[format]==4.5.1
 marshmallow-sqlalchemy==0.28.0
-marshmallow==3.15.0
+marshmallow==3.16.0
 psycopg2-binary==2.9.3
 PyJWT==2.4.0
 SQLAlchemy==1.4.36