diff --git a/pyproject.toml b/pyproject.toml
index cfd1d4f3..36e7f514 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "ConfigSpace"
-version = "0.8.0"
+version = "1.0.0"
 description = """\
     Creation and manipulation of parameter configuration spaces for \
     automated algorithm configuration and hyperparameter tuning. \
@@ -41,6 +41,7 @@ classifiers = [
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Natural Language :: English",
   "Intended Audience :: Developers",
   "Intended Audience :: Education",