diff --git a/docs/sphinx/source/whatsnew/v0.12.1.rst b/docs/sphinx/source/whatsnew/v0.12.1.rst
index 8c8c5d8452..3f45aad3a3 100644
--- a/docs/sphinx/source/whatsnew/v0.12.1.rst
+++ b/docs/sphinx/source/whatsnew/v0.12.1.rst
@@ -30,6 +30,8 @@ Testing
 
 Maintenance
 ~~~~~~~~~~~
+* Update ``pyproject.toml`` to replace deprecated license table and
+  classifiers. (:issue:`2440`, :pull:`2441`)
 
 
 Contributors
diff --git a/pyproject.toml b/pyproject.toml
index 6929045b55..3563fc59b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,10 +18,9 @@ dependencies = [
     'scipy >= 1.6.0',
     'h5py',
 ]
-license = { text = "BSD-3-Clause" }
+license = "BSD-3-Clause"
 classifiers = [
     'Development Status :: 4 - Beta',
-    'License :: OSI Approved :: BSD License',
     'Operating System :: OS Independent',
     'Intended Audience :: Science/Research',
     'Programming Language :: Python',