diff --git a/.github/workflows/type.yml b/.github/workflows/type.yml
new file mode 100644
index 0000000..4762fa1
--- /dev/null
+++ b/.github/workflows/type.yml
@@ -0,0 +1,28 @@
+name: Run ty type checker
+
+on: [push, pull_request]
+jobs:
+  typecheck:
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [
+          "3.10",
+          # "3.11",
+          # "3.12",
+          "3.13",
+          ]
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup
+        uses: ./.github/actions/setup
+        with:
+          python-version: ${{ matrix.python-version }}
+          optional-dependencies: "development,stubs"
+
+      - name: Typecheck
+        run: |
+          uv tool install ty@latest
+          ty check src/