diff --git a/pyproject.toml b/pyproject.toml
index 9698681..dcfef9e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ dependencies = [
     "requests==2.32.5",
     "gunicorn==23.0.0",
     "flask-openapi3==4.0.0",
-    "pydantic==2.12.0",
+    "pydantic==2.12.5",
     "Werkzeug>=3.1.0",
     "google-genai",
 ]
diff --git a/requirements-py314.txt b/requirements-py314.txt
index 2891994..2802da7 100644
--- a/requirements-py314.txt
+++ b/requirements-py314.txt
@@ -6,7 +6,7 @@ gunicorn==23.0.0
 google-genai>=1.57.0
 vercel==0.3.2
 flask-openapi3==3.0.2
-pydantic==2.5.3
+pydantic==2.12.5
 Werkzeug>=3.0.0,<3.2.0
 Jinja2>=3.1.0,<3.2.0
 itsdangerous>=2.1.0,<2.2.0
diff --git a/requirements-py38.txt b/requirements-py38.txt
index cf92eaa..dfbf4fb 100644
--- a/requirements-py38.txt
+++ b/requirements-py38.txt
@@ -5,7 +5,7 @@ requests==2.31.0
 gunicorn==23.0.0
 vercel==0.2.1
 flask-openapi3==4.0.0
-pydantic==2.9.0
+pydantic==2.12.5
 Werkzeug>=2.3.0,<4.0.0
 Jinja2>=3.1.0,<3.2.0
 itsdangerous>=2.1.0,<2.3.0