diff --git a/apps/orchestrator/requirements.txt b/apps/orchestrator/requirements.txt
index 7618425..462e027 100644
--- a/apps/orchestrator/requirements.txt
+++ b/apps/orchestrator/requirements.txt
@@ -6,7 +6,7 @@
 #
 # Do not install from requirements-dev.txt in CI/mainline.
 
-pydantic==2.13.0
+pydantic==2.13.1
 jsonschema==4.26.0
 typer==0.21.1
 rich==15.0.0
diff --git a/apps/orchestrator/setup.cfg b/apps/orchestrator/setup.cfg
index 30503dc..6221b4f 100644
--- a/apps/orchestrator/setup.cfg
+++ b/apps/orchestrator/setup.cfg
@@ -19,7 +19,7 @@ package_dir =
     = src
 packages = find:
 install_requires =
-    pydantic==2.13.0
+    pydantic==2.13.1
     jsonschema==4.26.0
     typer==0.21.1
     rich==15.0.0