diff --git a/.github/workflows/python-package.yaml b/.github/workflows/python-package.yaml
index 363e2081..c08d9fec 100644
--- a/.github/workflows/python-package.yaml
+++ b/.github/workflows/python-package.yaml
@@ -19,7 +19,6 @@ jobs:
         python-version:
         - "3.10"
         - "3.11"
-
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
@@ -38,6 +37,10 @@ jobs:
     - name: Test with pytest
       run: |
         SKIP_DIFF_TESTS=1 pytest --cov=flux_local --cov-report=term-missing
+    - name: Test with pytest (pydantic v1)
+      run: |
+        pip3 install pydantic==1.10.11
+        SKIP_DIFF_TESTS=1 pytest --cov=flux_local --cov-report=term-missing
     - uses: codecov/codecov-action@v3
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/requirements.txt b/requirements.txt
index 5b67c034..2c7bc35e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ nest_asyncio==1.5.6
 pdoc==14.0.0
 pip==23.1.2
 pre-commit==3.3.3
-pydantic==1.10.11
+pydantic==2.0.3
 pytest==7.4.0
 pytest-asyncio==0.21.1
 pytest-cov==4.1.0