diff --git a/pyproject.toml b/pyproject.toml
index 6c4c8f4..70fb34c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ dependencies = [
     "requests==2.31.0",
     "tqdm==4.66.2",
     "urllib3==2.2.1",
+    "pydantic==2.9.2",
     "pywin32==306 ; sys_platform == 'win32'",
 ]