diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index ca75922..c40b3de 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -23,6 +23,9 @@ jobs:
 #        username: ${{ github.actor }}
 #        password: ${{ secrets.GITHUB_TOKEN }}
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash -el {0}
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -34,8 +37,9 @@ jobs:
         with:
           auto-update-conda: true
           python-version: "3.13"
+      - name: Install conda packages
+        run: conda install -y -c conda-forge cmake c-compiler cxx-compiler
       - name: Conda info
-        shell: bash -el {0}
         run: |
           conda info
           conda list