diff --git a/pyproject.toml b/pyproject.toml
index 6f9dd878..193c4db3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,14 +17,22 @@ maintainers = [
   { name = "Martin Durant", email = "mdurant@anaconda.com" },
 ]
 classifiers = [
-  "Development Status :: 3 - Alpha",
+  "Development Status :: 5 - Production/Stable",
+  "Intended Audience :: Developers",
+  "Intended Audience :: Information Technology",
+  "Intended Audience :: Science/Research",
   "License :: OSI Approved :: BSD License",
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
   "Topic :: Scientific/Engineering",
+  "Topic :: Scientific/Engineering :: Information Analysis",
+  "Topic :: Scientific/Engineering :: Mathematics",
+  "Topic :: Scientific/Engineering :: Physics",
+  "Topic :: Software Development",
 ]
 dependencies = [
   "awkward >=2.4.0",