diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 803f572a..b5051f70 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -33,7 +33,7 @@ jobs:
     - name: Build package
       run: python -m build
     - name: Publish package
-      uses: pypa/gh-action-pypi-publish@v1.8.14
+      uses: pypa/gh-action-pypi-publish@v1.12.4
       with:
         user: __token__
         password: ${{ secrets.PYPI_TOKEN }}
diff --git a/pyproject.toml b/pyproject.toml
index 1876f8f7..7ebf1c2b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,14 +10,13 @@ authors = [
 ]
 description = "Utilities for loading, reducing, fitting, and plotting hyperspectral x-ray and neutron scattering data."
 readme = "README.md"
+license = "NIST-PD-fallback"
 requires-python = ">=3.6"
 classifiers = [
     "Programming Language :: Python :: 3",
-    "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Science/Research",
-    "License :: Freely Distributable",
     "Topic :: Scientific/Engineering :: Chemistry",
     "Topic :: Scientific/Engineering :: Physics",
 ]