diff --git a/.github/workflows/guard.yml b/.github/workflows/guard.yml
index a5f25a5..2955aa5 100644
--- a/.github/workflows/guard.yml
+++ b/.github/workflows/guard.yml
@@ -15,13 +15,9 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  guard:
-    name: guard (${{ matrix.os }})
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
+  quality:
+    name: guard (ubuntu-latest)
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
 
@@ -40,3 +36,18 @@ jobs:
 
       - name: Flavor self-check
         run: cargo run --locked -p flavor-cli -- check --root . --config flavor.json
+
+  cross-platform-tests:
+    name: guard (${{ matrix.os }})
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: dtolnay/rust-toolchain@stable
+
+      - name: Test
+        run: cargo test --locked --workspace