diff --git a/requirements.txt b/requirements.txt
index 2d62863f..3255709b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ filelock==3.13.1
 identify==2.5.33
 idna==3.7
 iniconfig==2.0.0
-marshmallow==3.20.1
+marshmallow==3.26.2
 marshmallow-dataclass==8.6.0
 mypy-extensions==1.0.0
 nodeenv==1.8.0