diff --git a/pyproject.toml b/pyproject.toml
index e4bfa9d..3b91e25 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
   { name = "Autour de Minuit", email = "tech@autourdeminuit.com" },
 ]
 classifiers = [
-  "Development Status :: 3 - Alpha",
+  "Development Status :: 4 - Beta",
   "Intended Audience :: Developers",
   "Programming Language :: Python :: 3",
   "Topic :: Software Development :: Libraries :: Python Modules",