diff --git a/pyproject.toml b/pyproject.toml
index 683175a0..a303bf42 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "isort>=5.12,<5.14",
     "libcst>=1.1,<1.5",
     "packaging>=23.2,<25.0",
-    "pydantic~=2.8.0",
+    "pydantic~=2.9.0",
     "pylint>=3.2,<3.3",
     "python-json-logger~=2.0.0",
     "PyYAML~=6.0.0",