diff --git a/.github/workflows/test_python.yml b/.github/workflows/test_python.yml
index 55fa283f9e..f5a44b2200 100644
--- a/.github/workflows/test_python.yml
+++ b/.github/workflows/test_python.yml
@@ -29,7 +29,8 @@ jobs:
         source/install/uv_with_retry.sh pip install --system torch -i https://download.pytorch.org/whl/cpu
         export TENSORFLOW_ROOT=$(python -c 'import tensorflow;print(tensorflow.__path__[0])')
         export PYTORCH_ROOT=$(python -c 'import torch;print(torch.__path__[0])')
-        source/install/uv_with_retry.sh pip install --system -e .[test,jax] horovod mpi4py
+        source/install/uv_with_retry.sh pip install --system -e .[test,jax] mpi4py
+        source/install/uv_with_retry.sh pip install --system -e horovod --no-build-isolation
       env:
         # Please note that uv has some issues with finding
         # existing TensorFlow package. Currently, it uses