diff --git a/.github/workflows/upload_to_pypi.yml b/.github/workflows/upload_to_pypi.yml
index d3f9e22..480b1e7 100644
--- a/.github/workflows/upload_to_pypi.yml
+++ b/.github/workflows/upload_to_pypi.yml
@@ -72,6 +72,3 @@ jobs:
             merge-multiple: true
 
       - uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}
diff --git a/pyproject.toml b/pyproject.toml
index 4d11fc5..474f977 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = [
     "wheel",
     "setuptools",
     "Cython>=0.29.2",
-    "oldest-supported-numpy; python_version<'3.9'",
+    "numpy<2; python_version<'3.9'",
     "numpy>=2; python_version>='3.9'",
 ]
 build-backend = 'setuptools.build_meta'