diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 3e5f674a52..fe6cc96ff4 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -113,7 +113,7 @@ jobs:
           python-version: '3.11'
 
       - name: Install dependencies
-        run: pip install numpy versioneer wheel
+        run: pip install --upgrade setuptools numpy versioneer wheel
 
       - name: Build universal wheel
         run: |
diff --git a/pyproject.toml b/pyproject.toml
index f37b3de84b..bbb64549e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,13 +14,13 @@ requires-python = ">=3.10,<3.14"
 authors = [{ name = "pymc-devs", email = "pymc.devs@gmail.com" }]
 description = "Optimizing compiler for evaluating mathematical expressions on CPUs and GPUs."
 readme = "README.rst"
-license = { file = "LICENSE.txt" }
+license = "BSD-3-Clause"
+license-files = ["LICENSE.txt"]
 classifiers = [
     "Development Status :: 6 - Mature",
     "Intended Audience :: Education",
     "Intended Audience :: Science/Research",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: BSD License",
     "Programming Language :: Python",
     "Topic :: Software Development :: Code Generators",
     "Topic :: Software Development :: Compilers",