diff --git a/pyproject.toml b/pyproject.toml
index 4b8a613..b31b076 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,6 @@ classifiers = [
     "Framework :: Sphinx :: Domain",
     "Framework :: Sphinx :: Extension",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: BSD License",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3.10",