diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 8dc8437..6973a1e 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -32,7 +32,7 @@ jobs:
         
         python -m pip install flake8 pytest evdspy
         # python -m pip install poetry 
-        python -m pip install uv 
+        python -m pip install uv pydantic
         # poetry install
         uv venv
         source .venv/bin/activate