diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 641b2f9..c001d70 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ["3.11", "3.12"]
+        python: ["3.11", "3.12", "3.13"]
     steps:
       - name: ⤵️ Check out code from GitHub
         uses: actions/checkout@v4.2.2
diff --git a/pyproject.toml b/pyproject.toml
index 73efc39..7a9fb96 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ classifiers = [
   "Natural Language :: English",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3",
   "Topic :: Software Development :: Libraries :: Python Modules",
 ]