diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index fddf83fa..13e69d6a 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -14,14 +14,11 @@ jobs:
 
     - name: Install uv
       uses: astral-sh/setup-uv@v3
-
-    - name: "Set up Python"
-      uses: actions/setup-python@v5
       with:
-        python-version-file: ".python-version"
+        enable-cache: true
 
-    - name: Install the project
-      run: uv sync --frozen --all-extras --dev
+    - name: Set up Python 3.12
+      run: uv python install 3.12
 
     - name: Build
       run: uv build
diff --git a/.github/workflows/shared.yml b/.github/workflows/shared.yml
index 2be9f129..03c36a69 100644
--- a/.github/workflows/shared.yml
+++ b/.github/workflows/shared.yml
@@ -14,16 +14,11 @@ jobs:
         with:
           enable-cache: true
 
-      - name: "Set up Python"
-        uses: actions/setup-python@v5
-        with:
-          python-version-file: ".python-version"
-
       - name: Install the project
-        run: uv sync --frozen --all-extras --dev
+        run: uv sync --frozen --all-extras --dev --python 3.12
 
       - name: Run ruff format check
-        run: uv run --frozen ruff check .
+        run: uv run --no-sync ruff check .
 
   typecheck:
     runs-on: ubuntu-latest
@@ -35,19 +30,17 @@ jobs:
         with:
           enable-cache: true
 
-      - name: "Set up Python"
-        uses: actions/setup-python@v5
-        with:
-          python-version-file: ".python-version"
-
       - name: Install the project
-        run: uv sync --frozen --all-extras --dev
+        run: uv sync --frozen --all-extras --dev --python 3.12
 
       - name: Run pyright
-        run: uv run --frozen pyright
+        run: uv run --no-sync pyright
 
-  build:
+  test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
@@ -57,13 +50,8 @@ jobs:
         with:
           enable-cache: true
 
-      - name: "Set up Python"
-        uses: actions/setup-python@v5
-        with:
-          python-version-file: ".python-version"
-
       - name: Install the project
-        run: uv sync --frozen --all-extras --dev
+        run: uv sync --frozen --all-extras --dev --python ${{ matrix.python-version }}
 
       - name: Run pytest
-        run: uv run --frozen pytest
+        run: uv run --no-sync pytest
diff --git a/.python-version b/.python-version
deleted file mode 100644
index c8cfe395..00000000
--- a/.python-version
+++ /dev/null
@@ -1 +0,0 @@
-3.10