diff --git a/poetry.lock b/poetry.lock
index 66abc0e1d..926f7ce83 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2759,14 +2759,14 @@ files = [
 
 [[package]]
 name = "marshmallow"
-version = "4.2.1"
+version = "4.2.2"
 description = "A lightweight library for converting complex datatypes to and from native Python datatypes."
 optional = false
 python-versions = ">=3.10"
 groups = ["main"]
 files = [
-    {file = "marshmallow-4.2.1-py3-none-any.whl", hash = "sha256:d82b1a83cfbb4667d050850fbed4e9d4435576cb95f5ff37894f375dce201768"},
-    {file = "marshmallow-4.2.1.tar.gz", hash = "sha256:4d1d66189c8d279ca73a6b0599d74117e5f8a3830b5cd766b75c2bb08e3464e7"},
+    {file = "marshmallow-4.2.2-py3-none-any.whl", hash = "sha256:084a9466111b7ec7183ca3a65aed758739af919fedc5ebdab60fb39d6b4dc121"},
+    {file = "marshmallow-4.2.2.tar.gz", hash = "sha256:ba40340683a2d1c15103647994ff2f6bc2c8c80da01904cbe5d96ee4baa78d9f"},
 ]
 
 [package.extras]
@@ -5978,4 +5978,4 @@ cffi = ["cffi (>=1.17,<2.0) ; platform_python_implementation != \"PyPy\" and pyt
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.13.2"
-content-hash = "a13336e863704f8ceb337587b110d861931abf4fdb55334bb1d23fed746804e2"
+content-hash = "990a094d4b0ce1aa96717e59cb1e78420ce45eb425c66b55a518f2715b2d1694"
diff --git a/pyproject.toml b/pyproject.toml
index b78425d42..c6d3d37bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ gunicorn = {version = "==25.0.1", extras = ["gevent"]}
 iso8601 = "==2.1.0"
 jsonschema = {version = "==4.26.0", extras = ["format"]}
 lxml = "==6.0.2"
-marshmallow = "^4.2.1"
+marshmallow = "^4.2.2"
 marshmallow-sqlalchemy = "^1.4.2"
 newrelic = "^11.4.0"
 packaging = "==26.0"