diff --git a/pyproject.toml b/pyproject.toml
index 33202d76..a95da710 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
     "protobuf",
     "python-socketio[client]",
     "tokenizers>=0.13.0",
-    "pydantic>=2.4.0",
+    "pydantic>=2.9.0",
     "torch>=2.4.0",
     "sentencepiece",
     "torchvision",