diff --git a/.github/workflows/build-reusable.yml b/.github/workflows/build-reusable.yml
index 4c1c7f3..f8edd61 100644
--- a/.github/workflows/build-reusable.yml
+++ b/.github/workflows/build-reusable.yml
@@ -309,11 +309,13 @@ jobs:
           # Install test tools only first, without including the project itself
           uv sync --only-group test
 
-          # Now install the built packages by name; resolver will pick compatible wheels from local dists
-          uv pip install --find-links packages/leann-core/dist leann-core || uv pip install --find-links packages/leann-core/dist packages/leann-core/dist/*.tar.gz
-          uv pip install --find-links packages/leann-backend-hnsw/dist leann-backend-hnsw
-          uv pip install --find-links packages/leann-backend-diskann/dist leann-backend-diskann
-          uv pip install --find-links packages/leann/dist leann || uv pip install packages/leann/dist/*.tar.gz
+          # Install local build artifacts without falling back to PyPI
+          uv pip install --no-index --find-links packages/leann-core/dist packages/leann-core/dist/*.whl \
+            || uv pip install --no-index --find-links packages/leann-core/dist packages/leann-core/dist/*.tar.gz
+          uv pip install --no-index --find-links packages/leann-backend-hnsw/dist packages/leann-backend-hnsw/dist/*.whl
+          uv pip install --no-index --find-links packages/leann-backend-diskann/dist packages/leann-backend-diskann/dist/*.whl
+          uv pip install --no-index --find-links packages/leann/dist packages/leann/dist/*.whl \
+            || uv pip install --no-index --find-links packages/leann/dist packages/leann/dist/*.tar.gz
 
       - name: Run tests with pytest
         env: