diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9ec7e6c9..b1970480 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,6 +29,7 @@ jobs:
           - "3.10"
           - "3.11"
           - "3.12"
+          - "3.13"
     steps:
       - name: Checkout source
         uses: actions/checkout@v4
@@ -78,7 +79,7 @@ jobs:
       - name: Coveralls finished
         uses: coverallsapp/github-action@v2
         with:
-          carryforward: run-3.9,run-3.10,run-3.11,run-3.12
+          carryforward: run-3.9,run-3.10,run-3.11,run-3.12,run-3.13
           parallel-finished: true
 
   build:
diff --git a/noxfile.py b/noxfile.py
index 72d740eb..f5d0ba52 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -10,7 +10,7 @@
 nox.options.reuse_existing_virtualenvs = True
 nox.options.sessions = ["lint", "tests"]
 
-ALL_PYTHON = ["3.9", "3.10", "3.11", "3.12"]
+ALL_PYTHON = ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
 
 @nox.session
diff --git a/pyproject.toml b/pyproject.toml
index 10bf022c..b3ea3561 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Scientific/Engineering :: Astronomy",
     "Topic :: Scientific/Engineering :: Physics",
     "Typing :: Typed",