diff --git a/pyproject.toml b/pyproject.toml
index 22aa245..0fa6840 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,8 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: 3.12"
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13"
 ]
 dependencies = [
     "lxml ~= 4.9.2"