diff --git a/.github/workflows/lint_and_test.yml b/.github/workflows/lint_and_test.yml
index fddca190..55d1386b 100644
--- a/.github/workflows/lint_and_test.yml
+++ b/.github/workflows/lint_and_test.yml
@@ -8,15 +8,6 @@ on:
     branches-ignore:
       - "2.x/*"
   workflow_dispatch:
-    inputs:
-      os:
-        description: "Operating systems"
-        required: true
-        default: linux
-        type: choice
-        options:
-          - linux
-          - all
 
 permissions:
   contents: read
@@ -70,14 +61,7 @@ jobs:
           - { setup: 'pypy3.9',  tox: 'pypy39'  }
           - { setup: 'pypy3.10', tox: 'pypy310' }
 
-        os: |
-          ${{
-            fromJSON(
-              inputs.os == 'all'
-              && '["ubuntu-latest", "windows-latest", "macos-latest"]'
-              || '["ubuntu-latest"]'
-            )
-          }}
+        os: ['ubuntu-latest']
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/test_all_oses.yml b/.github/workflows/test_all_oses.yml
new file mode 100644
index 00000000..b50b697d
--- /dev/null
+++ b/.github/workflows/test_all_oses.yml
@@ -0,0 +1,53 @@
+name: Run linters and tests
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  testing:
+    name: Run tests
+    runs-on: ${{ matrix.os }}
+    needs: linting
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python_version:
+          - { setup: '3.8',      tox: 'py38'    }
+          - { setup: '3.9',      tox: 'py39'    }
+          - { setup: '3.10',     tox: 'py310'   }
+          - { setup: '3.11',     tox: 'py311'   }
+          - { setup: '3.12',     tox: 'py312'   }
+          - { setup: 'pypy3.8',  tox: 'pypy38'  }
+          - { setup: 'pypy3.9',  tox: 'pypy39'  }
+          - { setup: 'pypy3.10', tox: 'pypy310' }
+
+        os: ['ubuntu-latest', 'windows-latest', 'macos-latest']
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python_version.setup }}
+
+      - name: Install Just
+        uses: extractions/setup-just@v1
+        with:
+          just-version: 1.14.0
+
+      - name: Setup environment to run tox
+        run:
+          just setup-runner
+
+      - name: Run tests
+        run:
+          just test-on ${{ matrix.python_version.tox }}