diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 54e950e80..629367433 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,7 +38,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-13, macos-14]
-        python_version: ['3.12']
+        python_version: ['3.13']
         include:
         - os: ubuntu-latest
           python_version: '3.8'
@@ -49,6 +49,7 @@ jobs:
       name: Install Python ${{ matrix.python_version }}
       with:
         python-version: ${{ matrix.python_version }}
+        allow-prereleases: true
 
     - uses: astral-sh/setup-uv@v3
 
diff --git a/pyproject.toml b/pyproject.toml
index 77a07fe90..def288a5e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,6 +35,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Software Development :: Build Tools",
 ]