diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6cb8419..46db0cd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13-dev"]
 
     steps:
     - uses: actions/checkout@v4
diff --git a/README.md b/README.md
index 6543cd9..b0a7dc1 100644
--- a/README.md
+++ b/README.md
@@ -112,7 +112,7 @@ of your repository and add in:
 ```yaml
 - repos:
   - repo: https://github.com/JelleZijlstra/autotyping
-    rev:  v24.4.0
+    rev:  v24.9.0
     hooks:
       - id: autotyping
         stages: [commit]
diff --git a/pyproject.toml b/pyproject.toml
index d24dfb2..5fd14dd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "autotyping"
-version = "24.3.0"
+version = "24.9.0"
 description = "A tool for autoadding simple type annotations."
 readme = "README.md"
 requires-python = ">=3.8"
@@ -23,6 +23,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Software Development",
 ]
 dependencies = [
@@ -42,7 +43,7 @@ requires = ["setuptools>=69", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [tool.black]
-target_version = ['py38', 'py39', 'py310', 'py311', 'py312']
+target_version = ['py38', 'py39', 'py310', 'py311', 'py312', 'py313']
 include = '\.pyi?$'
 
 exclude = '''