diff --git a/.github/workflows/release-dev.yml b/.github/workflows/release-dev.yml
index ad47c29..048b766 100644
--- a/.github/workflows/release-dev.yml
+++ b/.github/workflows/release-dev.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Upgrade pip
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f06cd5d..1e6d162 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Upgrade pip
         run: |
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9b6ff3f..7a35969 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,21 +12,23 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { python: "3.12", os: "ubuntu-latest", session: "pre-commit" }
-          - { python: "3.12", os: "ubuntu-latest", session: "safety" }
+          - { python: "3.13", os: "ubuntu-latest", session: "pre-commit" }
+          - { python: "3.13", os: "ubuntu-latest", session: "safety" }
+          - { python: "3.13", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.12", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.11", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.10", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.9", os: "ubuntu-latest", session: "mypy" }
+          - { python: "3.13", os: "ubuntu-latest", session: "tests" }
           - { python: "3.12", os: "ubuntu-latest", session: "tests" }
           - { python: "3.11", os: "ubuntu-latest", session: "tests" }
           - { python: "3.10", os: "ubuntu-latest", session: "tests" }
           - { python: "3.9", os: "ubuntu-latest", session: "tests" }
-          - { python: "3.12", os: "windows-latest", session: "tests" }
-          - { python: "3.12", os: "macos-latest", session: "tests" }
-          - { python: "3.12", os: "ubuntu-latest", session: "typeguard" }
-          - { python: "3.12", os: "ubuntu-latest", session: "xdoctest" }
-          - { python: "3.12", os: "ubuntu-latest", session: "docs-build" }
+          - { python: "3.13", os: "windows-latest", session: "tests" }
+          - { python: "3.13", os: "macos-latest", session: "tests" }
+          - { python: "3.13", os: "ubuntu-latest", session: "typeguard" }
+          - { python: "3.13", os: "ubuntu-latest", session: "xdoctest" }
+          - { python: "3.13", os: "ubuntu-latest", session: "docs-build" }
 
     steps:
       - name: Check out the repository
@@ -100,7 +102,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Upgrade pip
         run: |
@@ -118,6 +120,7 @@ jobs:
       - name: Combine coverage data and display human readable report
         run: |
           shopt -s dotglob
+          mv coverage-data-3.13-ubuntu-latest/* .
           mv coverage-data-3.12-ubuntu-latest/* .
           mv coverage-data-3.11-ubuntu-latest/* .
           mv coverage-data-3.10-ubuntu-latest/* .
diff --git a/pyproject.toml b/pyproject.toml
index 7816be5..27f7345 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 requires-python = ">=3.9"
 dependencies = []
@@ -57,7 +58,7 @@ run-xdoctest = [ "hatch run xdoctest:run" ]
 run-docs-build = [ "hatch run docs-build:run" ]
 
 [[tool.hatch.envs.sessions.matrix]]
-python = ["3.9", "3.10", "3.11", "3.12"]
+python = ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
 [tool.hatch.envs.pre-commit]
 dependencies = [