diff --git a/api/requirements.txt b/api/requirements.txt
index bb2e5d6..fe30026 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -10,7 +10,7 @@ flask-cors==3.0.10
 bcrypt==4.0.0
 pytest~=7.1.2
 pytest-cov
-marshmallow~=3.15.0
+marshmallow~=3.18.0
 faker~=14.2.0
 requests~=2.27.1
 investpy~=1.0.8