diff --git a/.github/workflows/test-python-api.yml b/.github/workflows/test-python-api.yml
index 881d332a62..cfea3918db 100644
--- a/.github/workflows/test-python-api.yml
+++ b/.github/workflows/test-python-api.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: Install deps
         run: |
-          python3 -m pip install meson numpy pytest meson-python pybind11
+          python3 -m pip install meson numpy pytest meson-python pybind11 ninja
 
       - name: Build and test
         run: |