diff --git a/pyproject.toml b/pyproject.toml
index 33530ed9..a10a60ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -137,6 +137,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Operating System :: OS Independent",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Topic :: System :: Distributed Computing",