diff --git a/news/12678.trivial.rst b/news/12678.trivial.rst
new file mode 100644
index 00000000000..57f38781bc4
--- /dev/null
+++ b/news/12678.trivial.rst
@@ -0,0 +1 @@
+Update classifier to support Python 3.13
diff --git a/pyproject.toml b/pyproject.toml
index 4d8d1181697..07c3010a2e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
 ]