diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5c9727..71553aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
         python-version: [[3, 6, 15], [3, 7, 17], [3, 8, 18]]
     steps:
       - name: Checkout p537
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: "Setup Python ${{ join(matrix.python-version, '.') }}"
         # Upgrade node16 -> node20: Out for review here:
         #   https://github.com/gabrielfalcao/pyenv-action/pull/444
@@ -40,8 +40,8 @@ jobs:
           command: pip install -U tox
       - name: Run Unit Tests
         run: tox -e py${{ matrix.python-version[0] }}${{ matrix.python-version[1] }}
-  tests-39-314:
-    name: (${{ matrix.os }}) Python 3.9 - 3.14 Tests
+  tests-39-315:
+    name: (${{ matrix.os }}) Python 3.9 - 3.15 Tests
     needs: org-check
     runs-on: ${{ matrix.os }}
     strategy:
@@ -49,40 +49,44 @@ jobs:
         os: [ubuntu-24.04, macos-13, windows-2022]
     steps:
       - name: Checkout p537
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Python 3.9
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.9"
       - name: Setup Python 3.10
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.10"
       - name: Setup Python 3.11
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.11"
       - name: Setup Python 3.12
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
       - name: Setup Python 3.13
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
       - name: Setup Python 3.14
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
-          python-version: "3.14.0-alpha.1"
+          python-version: "3.14"
+      - name: Setup Python 3.15
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.15.0-alpha.1"
       - name: Run Unit Tests
-        uses: pantsbuild/actions/run-tox@b16b9cf47cd566acfe217b1dafc5b452e27e6fd7
+        uses: pex-tool/actions/run-tox@7d8530c74d2e3ca4640d1ed9192b6e2b8c4f5f7b
         with:
-          tox-env: py39,py310,py311,py312,py313,py314
+          tox-env: py39,py310,py311,py312,py313,py314,py315
   final-status:
     name: Gather Final Status
     needs:
       - tests-36-38
-      - tests-39-314
+      - tests-39-315
     runs-on: ubuntu-24.04
     steps:
       - name: Check Non-Success
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 59c0bcc..56f6ee5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -49,7 +49,7 @@ jobs:
         python-version: [[3, 6, 15], [3, 7, 17], [3, 8, 18]]
     steps:
       - name: Checkout p537 ${{ needs.determine-tag.outputs.release-tag }}
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ needs.determine-tag.outputs.release-tag }}
       - name: "Setup Python ${{ join(matrix.python-version, '.') }}"
@@ -69,25 +69,25 @@ jobs:
           name: "${{ matrix.os }}-${{ needs.determine-tag.outputs.release-tag }}-${{ join(matrix.python-version, '.') }}-distributions"
           path: dist/
           retention-days: 1
-  package-39-314-dists:
+  package-39-315-dists:
     name: ${{ matrix.os }} Package for Python ${{ matrix.python-version[0] }}.${{ matrix.python-version[1] }}
     needs: determine-tag
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-24.04, macos-13, windows-2022]
-        python-version: [[3, 9], [3, 10], [3, 11], [3, 12], [3, 13], [3, 14, "0-alpha.1"]]
+        python-version: [[3, 9], [3, 10], [3, 11], [3, 12], [3, 13], [3, 14], [3, 15, "0-alpha.1"]]
     steps:
       - name: Checkout p537 ${{ needs.determine-tag.outputs.release-tag }}
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ needs.determine-tag.outputs.release-tag }}
       - name: Setup Python ${{ join(matrix.python-version, '.') }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "${{ join(matrix.python-version, '.') }}"
       - name: Package ${{ needs.determine-tag.outputs.release-tag }}
-        uses: pantsbuild/actions/run-tox@b16b9cf47cd566acfe217b1dafc5b452e27e6fd7
+        uses: pex-tool/actions/run-tox@7d8530c74d2e3ca4640d1ed9192b6e2b8c4f5f7b
         with:
           tox-env: package
       - name: Upload Artifact
@@ -101,14 +101,14 @@ jobs:
     needs:
       - determine-tag
       - package-36-38-dists
-      - package-39-314-dists
+      - package-39-315-dists
     runs-on: ubuntu-24.04
     environment: Release
     permissions:
       id-token: write
     steps:
       - name: Download all packaged distributions
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: dist/
       - name: Re-organize distributions for upload
diff --git a/setup.py b/setup.py
index 3fb3dc8..94c46c3 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ def long_description():
 
 setup(
   name='p537',
-  version='1.0.8',
+  version='1.0.9',
   author="John Sirois",
   author_email="john.sirois@gmail.com",
   description='A tiny platform-specific distribution with a console script.',
@@ -31,8 +31,9 @@ def long_description():
     'Programming Language :: Python :: 3.12',
     'Programming Language :: Python :: 3.13',
     'Programming Language :: Python :: 3.14',
+    'Programming Language :: Python :: 3.14',
   ],
-  python_requires=">=3.6,<3.15",
+  python_requires=">=3.6,<3.16",
   ext_modules=[
     Extension('p537', sources=['p537module.c']),
   ],
diff --git a/tox.ini b/tox.ini
index 21749db..c705cbf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,7 @@ envlist =
     py312
     py313
     py314
+    py315
 
 [testenv]
 deps =