diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 43c8858..5419cbb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,72 +6,26 @@ on:
   pull_request:
     branches: [ master ]
 
-env:
-  BUILD_TYPE: Debug
-
 jobs:
-  linux:
+  build_matrix:
+    strategy:
+      matrix:
+        BUILD_TYPE: [Debug, Release]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
     timeout-minutes: 10
-
-    runs-on: ubuntu-latest
-
+    runs-on: ${{matrix.os}}
     steps:
-    - uses: actions/checkout@v3
-      with:
-        submodules: recursive
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
 
-    - name: Configure CMake
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+      - name: Configure CMake
+        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.BUILD_TYPE}}
 
-    - name: Build
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j 4
+      - name: Build
+        run: cmake --build ${{github.workspace}}/build --config ${{matrix.BUILD_TYPE}} -j 3
 
-    - name: Test
-      run: ctest --test-dir ${{github.workspace}}/build -C ${{env.BUILD_TYPE}} --verbose
-
-  macos:
-    timeout-minutes: 10
-
-    runs-on: macos-latest
-
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        submodules: recursive
-
-    - name: Install Dependencies
-      run: brew install libsodium
-
-    - name: Configure CMake
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-
-    - name: Build
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j 3
-
-    - name: Test
-      run: ctest --test-dir ${{github.workspace}}/build -C ${{env.BUILD_TYPE}} --verbose
-
-  windows:
-    timeout-minutes: 10
-
-    runs-on: windows-latest
-
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        submodules: recursive
-
-    # setup vs env
-    - uses: ilammy/msvc-dev-cmd@v1
-      with:
-        arch: amd64
-
-    - name: Configure CMake
-      run: cmake -G Ninja -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-
-    - name: Build
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j 3
-
-    - name: Test
-      run: ctest --test-dir ${{github.workspace}}/build -C ${{env.BUILD_TYPE}} --verbose
+      - name: Test
+        run: ctest --test-dir ${{github.workspace}}/build -C ${{matrix.BUILD_TYPE}} --verbose