diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3bbedb6..0d75957 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ '3.9', '3.10', '3.11', '3.12' ]
+        python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
 
     runs-on: ubuntu-latest
     container:
diff --git a/newsfragments/python313.misc b/newsfragments/python313.misc
new file mode 100644
index 0000000..452f2b5
--- /dev/null
+++ b/newsfragments/python313.misc
@@ -0,0 +1 @@
+Declared compatibility with Python 3.13.
diff --git a/setup.py b/setup.py
index 3fba83a..383e2e1 100644
--- a/setup.py
+++ b/setup.py
@@ -21,6 +21,7 @@ setup(
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Intended Audience :: Developers",
         "Operating System :: OS Independent",
         "Development Status :: 3 - Alpha",