diff --git a/setup.py b/setup.py
index 495730888..5e2393610 100644
--- a/setup.py
+++ b/setup.py
@@ -88,6 +88,7 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],
diff --git a/testing/constraints-3.12.txt b/testing/constraints-3.12.txt
new file mode 100644
index 000000000..e69de29bb