diff --git a/.github/actions/setup_flutter/action.yaml b/.github/actions/setup_flutter/action.yaml
index a57cbfd1..3f44645c 100644
--- a/.github/actions/setup_flutter/action.yaml
+++ b/.github/actions/setup_flutter/action.yaml
@@ -6,6 +6,10 @@ inputs:
     description: "The working directory where the Flutter project is located."
     required: false
     default: "."
+  version:
+    description: "The version of Flutter to install."
+    required: false
+    default: "3.x"
 
 runs:
   using: "composite"
@@ -14,7 +18,7 @@ runs:
       uses: subosito/flutter-action@v2
       with:
         channel: stable
-        flutter-version: 3.x
+        flutter-version: ${{ inputs.version }}
         cache: true
 
     - name: Flutter version
diff --git a/.github/workflows/code_check.yaml b/.github/workflows/code_check.yaml
index 87509da6..6699b840 100644
--- a/.github/workflows/code_check.yaml
+++ b/.github/workflows/code_check.yaml
@@ -9,7 +9,6 @@ env:
   PATTERN_CHECKER: ${{github.workspace}}/scripts/pattern_checker.sh
 
 jobs:
-  # Change detection
   setup:
     runs-on: ubuntu-latest
     permissions:
@@ -46,17 +45,23 @@ jobs:
           echo "lowest-flutter-version=${{ steps.flutter-version-constraint.outputs.lowest }}"
           echo "highest-flutter-version=${{ steps.flutter-version-constraint.outputs.highest }}"
 
-  # Static code analysis
   analysis:
     needs: setup
     if: ${{ needs.setup.outputs.flutter-file-changed == 'true' }}
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        flutter-version:
+          - ${{ needs.setup.outputs.lowest-flutter-version }}
+          - ${{ needs.setup.outputs.highest-flutter-version }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Flutter
         uses: ./.github/actions/setup_flutter
+        with:
+          version: ${{ matrix.flutter-version }}
 
       - name: Format
         run: dart format . -o none --set-exit-if-changed
@@ -67,7 +72,6 @@ jobs:
       - name: Disallowed patterns check
         run: bash ${{ env.PATTERN_CHECKER }} "*.dart" "--" "debugPrint"
 
-  # Unit testing
   testing:
     needs: setup
     if: ${{ needs.setup.outputs.flutter-file-changed == 'true' }}
@@ -76,12 +80,19 @@ jobs:
       contents: read
       actions: read
       checks: write
+    strategy:
+      matrix:
+        flutter-version:
+          - ${{ needs.setup.outputs.lowest-flutter-version }}
+          - ${{ needs.setup.outputs.highest-flutter-version }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Flutter
         uses: ./.github/actions/setup_flutter
+        with:
+          version: ${{ matrix.flutter-version }}
 
       - name: Run unit tests
         run: flutter test --file-reporter="json:${{ env.FLUTTER_TEST_REPORT }}"
@@ -91,7 +102,7 @@ jobs:
         # PRs from forks have no write permissions.
         if: github.event.pull_request.head.repo.fork == false && (success() || failure())
         with:
-          name: Test Report
+          name: Test Report (with Flutter ${{ matrix.flutter-version }})
           path: ${{ env.FLUTTER_TEST_REPORT }}
           reporter: flutter-json