diff --git a/poetry.lock b/poetry.lock
index 469e77f1e..bf768e368 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2486,23 +2486,23 @@ files = [
 
 [[package]]
 name = "marshmallow"
-version = "3.22.0"
+version = "3.26.1"
 description = "A lightweight library for converting complex datatypes to and from native Python datatypes."
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "marshmallow-3.22.0-py3-none-any.whl", hash = "sha256:71a2dce49ef901c3f97ed296ae5051135fd3febd2bf43afe0ae9a82143a494d9"},
-    {file = "marshmallow-3.22.0.tar.gz", hash = "sha256:4972f529104a220bb8637d595aa4c9762afbe7f7a77d82dc58c1615d70c5823e"},
+    {file = "marshmallow-3.26.1-py3-none-any.whl", hash = "sha256:3350409f20a70a7e4e11a27661187b77cdcaeb20abca41c1454fe33636bea09c"},
+    {file = "marshmallow-3.26.1.tar.gz", hash = "sha256:e6d8affb6cb61d39d26402096dc0aee12d5a26d490a121f118d2e81dc0719dc6"},
 ]
 
 [package.dependencies]
 packaging = ">=17.0"
 
 [package.extras]
-dev = ["marshmallow[tests]", "pre-commit (>=3.5,<4.0)", "tox"]
-docs = ["alabaster (==1.0.0)", "autodocsumm (==0.2.13)", "sphinx (==8.0.2)", "sphinx-issues (==4.1.0)", "sphinx-version-warning (==1.1.2)"]
-tests = ["pytest", "pytz", "simplejson"]
+dev = ["marshmallow[tests]", "pre-commit (>=3.5,<5.0)", "tox"]
+docs = ["autodocsumm (==0.2.14)", "furo (==2024.8.6)", "sphinx (==8.1.3)", "sphinx-copybutton (==0.5.2)", "sphinx-issues (==5.0.0)", "sphinxext-opengraph (==0.9.1)"]
+tests = ["pytest", "simplejson"]
 
 [[package]]
 name = "marshmallow-sqlalchemy"
@@ -5186,4 +5186,4 @@ propcache = ">=0.2.0"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.12.2"
-content-hash = "1332bce1d1e98fd7bbcf52321a7dca190774e1602a585e56e2cc650376395acb"
+content-hash = "c791f133fcf2db01b7dadc9aca104cabd4c11331342bf936e0f7ebdb62bbec72"
diff --git a/pyproject.toml b/pyproject.toml
index 10619d444..796885c40 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ gunicorn = {version = "==23.0.0", extras = ["eventlet"]}
 iso8601 = "==2.1.0"
 jsonschema = {version = "==4.23.0", extras = ["format"]}
 lxml = "==5.3.1"
-marshmallow = "==3.22.0"
+marshmallow = "==3.26.1"
 marshmallow-sqlalchemy = "==1.0.0"
 newrelic = "*"
 notifications-python-client = "==10.0.0"