diff --git a/tools/pyproject.toml b/tools/pyproject.toml
index e45c6af1bea..d47daa87cd0 100644
--- a/tools/pyproject.toml
+++ b/tools/pyproject.toml
@@ -8,14 +8,16 @@ description = "Tools for managing OpenGrok instance"
 readme = "README.txt"
 dynamic = ["version"]
 requires-python = ">=3.9"
+license = "CDDL-1.0"
+license-files = ["LICEN[CS]E*"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
-    "License :: OSI Approved :: CDDL",
     "Natural Language :: English",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
 ]
 dependencies = [
     'jsonschema==2.6.0',    # to avoid Rust