diff --git a/.github/workflows/wheels-linux.yml b/.github/workflows/wheels-linux.yml
index a9f66bb..a08c910 100644
--- a/.github/workflows/wheels-linux.yml
+++ b/.github/workflows/wheels-linux.yml
@@ -48,7 +48,7 @@ jobs:
       MB_PYTHON_VERSION: ${{ matrix.python }}
       MB_ML_LIBC: ${{ matrix.mb-ml-libc }}
       MB_ML_VER: ${{ matrix.mb-ml-ver }}
-      BUILD_BASE: "meson-python>=0.13 cython>=3"
+      BUILD_BASE: "meson-python>=0.13 ninja cython>=3"
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/.github/workflows/wheels-windows.yml b/.github/workflows/wheels-windows.yml
index 14c9f88..de248db 100644
--- a/.github/workflows/wheels-windows.yml
+++ b/.github/workflows/wheels-windows.yml
@@ -31,7 +31,7 @@ jobs:
       BUILD_COMMIT: ${{ inputs.build-commit }}
       WHEEL_SDIR: wheelhouse
       MB_PYTHON_VERSION: ${{ matrix.python }}
-      BUILD_BASE: "meson-python>=0.13 cython>=3"
+      BUILD_BASE: "meson-python>=0.13 ninja cython>=3"
     steps:
       - uses: actions/checkout@v4
         with: