diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index da62ca4..b010247 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install usaddress regex pytest
+          pip install usaddress regex pytest pydantic
 
       - name: Run pytest
         run: python -m pytest