diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0b95e6bfb..1e79c2206 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -62,8 +62,10 @@ jobs:
       - name: Install uv
         run: curl -LsSf https://astral.sh/uv/install.sh | sh
       - name: Install ComfyUI
-        run: uv pip install '.[mps,dev]' --inexact
+        run: |
+          uv venv --python 3.12
+          uv pip install '.[mps,dev]' --inexact
       - name: Run tests
         run: |
           export OTEL_METRICS_EXPORTER=none
-          pytest -v tests/unit
+          uv run pytest -v tests/unit