diff --git a/install.py b/install.py
index 6067467..7193feb 100644
--- a/install.py
+++ b/install.py
@@ -47,7 +47,7 @@ def install():
         ("ultralytics", "8.0.97", None),
         ("mediapipe", "0.10.0", None),
         ("huggingface_hub", None, None),
-        ("pydantic", None, None),
+        ("pydantic", "1.10.8", None),
         # mediapipe
         ("protobuf", "3.20.0", "3.20.9999"),
     ]