diff --git a/.github/workflows/ci-branch.yaml b/.github/workflows/ci-branch.yaml
index 2dc9eff91d..9d309b5ea0 100644
--- a/.github/workflows/ci-branch.yaml
+++ b/.github/workflows/ci-branch.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python: [ "3.8", "3.9", "3.10", "3.11", "3.12" ]
+        python: [ "3.8", "3.9", "3.10", "3.11", "3.12", "3.13" ]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/ci-pr.yaml b/.github/workflows/ci-pr.yaml
index ede552f61e..c18e4cf05a 100644
--- a/.github/workflows/ci-pr.yaml
+++ b/.github/workflows/ci-pr.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2b9f33e63c..c0e2682464 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -60,6 +60,7 @@ Tox test suites available:
 * **py310**: Unit tests (Python 3.10)
 * **py311**: Unit tests (Python 3.11)
 * **py312**: Unit tests (Python 3.12)
+* **py313**: Unit tests (Python 3.13)
 * **style**: Python syntax check
 
 ## Contributing via Pull Requests
diff --git a/pyproject.toml b/pyproject.toml
index fb7f27a8c5..32faba5442 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,6 +33,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 dynamic = ["version", "readme"]
 dependencies = [
diff --git a/tox.ini b/tox.ini
index 24c3f00e4a..6489cccf49 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38,39,310,311,312},style
+envlist = py{38,39,310,311,312,313},style
 isolated_build = true
 
 [testenv]