diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2a6a7e01..01647a3b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,6 +17,7 @@ jobs:
         - "3.10"
         - "3.11"
         - "3.12"
+        - "3.13-dev"
         numpy-version:
         - "<2"
         - ">=2"
diff --git a/setup.py b/setup.py
index 1156cb95..030adb45 100644
--- a/setup.py
+++ b/setup.py
@@ -51,10 +51,10 @@
     "Operating System :: Unix",
     "Operating System :: MacOS",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]