diff --git a/pyproject.toml b/pyproject.toml
index 5ecaf1f9e..df17bea1b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ dependencies = [
   "logzero==1.7.0",
   "markdown-it-py==4.0.0",
   "MarkupSafe==2.1.5",
-  "marshmallow==3.26.2",
+  "marshmallow==4.2.2",
   "matplotlib-inline==0.2.1",
   "mcp==1.26.0",
   "mdurl==0.1.2",
diff --git a/requirements-nginx.txt b/requirements-nginx.txt
index eddb7309c..55f11d4b3 100644
--- a/requirements-nginx.txt
+++ b/requirements-nginx.txt
@@ -65,7 +65,7 @@ logistro==2.0.1
 logzero==1.7.0
 markdown-it-py==4.0.0
 MarkupSafe==2.1.5
-marshmallow==3.26.2
+marshmallow==4.2.2
 matplotlib-inline==0.2.1
 mcp==1.26.0
 mdurl==0.1.2
diff --git a/requirements.txt b/requirements.txt
index 662446979..6a8b96d15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,7 +65,7 @@ logistro==2.0.1
 logzero==1.7.0
 markdown-it-py==4.0.0
 MarkupSafe==2.1.5
-marshmallow==3.26.2
+marshmallow==4.2.2
 matplotlib-inline==0.2.1
 mcp==1.26.0
 mdurl==0.1.2