diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ad25a355..0efbdcc1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ windows-latest, ubuntu-latest ]
-        python: [ "3.10", "3.11", "3.12", "3.13", "3.14", "pypy-3.11" ]
+        python: [ "3.10", "3.11", "3.12", "3.13", "3.14", "3.15", "pypy-3.11" ]
 
     steps:
     - uses: actions/checkout@v7
@@ -51,6 +51,7 @@ jobs:
       uses: actions/setup-python@v7
       with:
         python-version: ${{ matrix.python }}
+        allow-prereleases: true
 
     - name: Install dependencies
       run: pip install tox twine
diff --git a/pyproject.toml b/pyproject.toml
index fcd2b4b5..97245491 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Topic :: Software Development :: Libraries",