diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a82685570..afdab9259 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -139,6 +139,7 @@ jobs:
           enable-cache: true
 
       - name: Install dependencies
+        shell: bash
         run: |
           if [[ "${{ matrix.python-version }}" == "3.9" || "${{ matrix.python-version }}" == "3.13" ]]; then
             uv sync --group tests