diff --git a/datascience/requirements-dev.txt b/datascience/requirements-dev.txt
index b7b7a3e74f..9ac16934b3 100644
--- a/datascience/requirements-dev.txt
+++ b/datascience/requirements-dev.txt
@@ -36,7 +36,7 @@ lazy-object-proxy==1.10.0 ; python_full_version == "3.10.12"
 locket==1.0.0 ; python_full_version == "3.10.12"
 markupsafe==2.1.5 ; python_full_version == "3.10.12"
 marshmallow-oneofschema==3.1.1 ; python_full_version == "3.10.12"
-marshmallow==3.21.2 ; python_full_version == "3.10.12"
+marshmallow==3.26.2 ; python_full_version == "3.10.12"
 mccabe==0.7.0 ; python_full_version == "3.10.12"
 msgpack==1.0.8 ; python_full_version == "3.10.12"
 mypy-extensions==1.0.0 ; python_full_version == "3.10.12"
diff --git a/datascience/requirements.txt b/datascience/requirements.txt
index 1075f74521..718051dae0 100644
--- a/datascience/requirements.txt
+++ b/datascience/requirements.txt
@@ -27,7 +27,7 @@ jinja2==3.1.4 ; python_full_version == "3.10.12"
 locket==1.0.0 ; python_full_version == "3.10.12"
 markupsafe==2.1.5 ; python_full_version == "3.10.12"
 marshmallow-oneofschema==3.1.1 ; python_full_version == "3.10.12"
-marshmallow==3.21.2 ; python_full_version == "3.10.12"
+marshmallow==3.26.2 ; python_full_version == "3.10.12"
 msgpack==1.0.8 ; python_full_version == "3.10.12"
 mypy-extensions==1.0.0 ; python_full_version == "3.10.12"
 numpy==1.26.4 ; python_full_version == "3.10.12"