diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 771ef66..d250be3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -79,6 +79,8 @@ jobs:
           - "cp313"
           - "cp314"
           - "cp314t"
+          - "cp315"
+          - "cp315t"
         exclude:
           - os: ubuntu-latest
             cibw_arch: universal2
@@ -128,7 +130,7 @@ jobs:
       with:
         platforms: arm64,riscv64,ppc64le
 
-    - uses: pypa/cibuildwheel@7c619efba910c04005a835b110b057fc28fd6e93  # v3.2.0
+    - uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
       env:
         CIBW_BUILD_VERBOSITY: 1
         CIBW_BUILD: ${{ matrix.cibw_python }}-*
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index faa92cd..37c62b0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "3.15", "3.15t"]
         os: [windows-latest, ubuntu-latest, macos-latest, windows-11-arm]
         exclude:
           - os: windows-11-arm
@@ -64,6 +64,7 @@ jobs:
       if: steps.release.outputs.version == 0
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
 
     - name: Test
       if: steps.release.outputs.version == 0