diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 689fddd..7c62854 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -12,9 +12,9 @@ jobs:
         python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -35,6 +35,8 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - uses: actions/setup-python@v2
+      with:
+        python-version: "3.12"
     - name: Set up QEMU
       if: runner.os == 'Linux'
       uses: docker/setup-qemu-action@v2
diff --git a/pyproject.toml b/pyproject.toml
index a8189d5..432f5ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,4 +2,5 @@
 requires = ["setuptools",
             "wheel",
             "cython",
-            "oldest_supported_numpy"]
+            "numpy>=2.0.0; python_version>='3.9'",
+            "oldest_supported_numpy; python_version<'3.9'"]