diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2642f65..ecfe5b4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -151,7 +151,7 @@ jobs:
       fail-fast: false
       matrix:
         runner: [ubuntu-latest, windows-latest]
-        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14', pypy-3.11]
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14', '3.15', pypy-3.11]
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
@@ -168,6 +168,7 @@ jobs:
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
       - name: Build project
         shell: bash