diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a301583..8bb288c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,10 +15,10 @@ jobs:
       env:
         GITHUB_CONTEXT: ${{ toJson(github) }}
       run: echo "$GITHUB_CONTEXT"
-    - name: Set up Python 3.10
+    - name: Set up Python 3.12
       uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.12"
     - name: Versions
       run: |
         python3 --version
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 728ba8e..8605547 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.10'
+        python-version: '3.12'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/circuitpython_build_tools/target_versions.py b/circuitpython_build_tools/target_versions.py
index 197a653..8bd2058 100644
--- a/circuitpython_build_tools/target_versions.py
+++ b/circuitpython_build_tools/target_versions.py
@@ -26,4 +26,5 @@
 # The name is used when constructing the zip file names.
 VERSIONS = [
     {"tag": "9.2.4", "name": "9.x"},
+    {"tag": "10.0.0-alpha.2", "name": "10.x"},
 ]