diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a42f1d8..f6e7908 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,6 +13,8 @@ jobs:
       python_version: "3.12"
     steps:
       - uses: actions/checkout@v2
+      - name: Setup MPI
+        uses: mpi4py/setup-mpi@v1
       - name: Install uv
         uses: astral-sh/setup-uv@v3
         with: