diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5cbbde61f..70710e340 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -49,31 +49,40 @@ jobs:
       matrix:
         os: [ windows-latest, macos-latest ]
         python-version: [ "3.14" ]
+        uv-resolution:
+          - highest
         include:
           - os: ubuntu-latest
             python-version: "3.9"
             coverage: coverage
+            uv-resolution: lowest-direct
           - os: macos-latest
             python-version: "3.10"
             coverage: coverage
+            uv-resolution: highest
           - os: windows-latest
             python-version: "3.12"
             coverage: coverage
+            uv-resolution: lowest-direct
           - os: ubuntu-latest
             python-version: "3.13"
             coverage: coverage
+            uv-resolution: highest
             # Ubuntu with 3.13 needs coverage for CodSpeed benchmarks
           - os: ubuntu-latest
             python-version: "3.13"
             coverage: coverage
+            uv-resolution: highest
             codspeed: codspeed
           - os: ubuntu-latest
             python-version: "3.14"
             coverage: coverage
+            uv-resolution: highest
       fail-fast: false
     runs-on: ${{ matrix.os }}
     env:
       UV_PYTHON: ${{ matrix.python-version }}
+      UV_RESOLUTION: ${{ matrix.uv-resolution }}
     steps:
       - name: Dump GitHub context
         env:
@@ -92,7 +101,7 @@ jobs:
             pyproject.toml
             uv.lock
       - name: Install Dependencies
-        run: uv sync --locked --no-dev --group tests --extra all
+        run: uv sync --no-dev --group tests --extra all
       - run: mkdir coverage
       - name: Test
         if: matrix.codspeed != 'codspeed'