diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ca6e4e8..c0b4760 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,21 +8,25 @@ on:
       - main
   pull_request:
 
+env:
+  EM_VERSION: 4.0.8
+  EM_CACHE_FOLDER: 'emsdk-cache'
+
 jobs:
   build:
     name: build
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-    - uses: actions/setup-python@v1
+    - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
         submodules: true
-
     - name: install packages (linux)
       run: |
         sudo apt-get update
@@ -38,7 +42,7 @@ jobs:
       if: matrix.os == 'windows-latest'
 
     - name: download sdl2 (windows)
-      uses: albin-johansson/download-sdl2@v1
+      uses: albin-johansson/download-sdl2@v2
       with:
         version: 2.0.14
         sources_destination: .
@@ -65,35 +69,46 @@ jobs:
         python scripts/tester.py -vv --exe bin/binjgb-tester
       if: matrix.os != 'windows-latest'
 
-  build-wasm:
-    name: build-wasm
+  build-wasm-variants:
+    name: build-${{ matrix.target }}
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        target: [wasm, rgbds-live, gbstudio]
+        include:
+          - target: wasm
+            cmake_flags: ""
+          - target: rgbds-live
+            cmake_flags: '-DWERROR=ON -DRGBDS_LIVE=ON -DCMAKE_C_FLAGS="-DBREAKPOINTS_MAX_BANKS_NUMBER=256"'
+          - target: gbstudio
+            cmake_flags: "-DWERROR=ON -DGBSTUDIO=ON"
+
     steps:
-    - uses: actions/checkout@v1
-      with:
-        submodules: true
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
 
-    - name: install packages
-      run: sudo apt-get install ninja-build
+      - name: install packages
+        run: sudo apt-get install ninja-build
 
-    - name: emsdk install
-      run: |
-        mkdir $HOME/emsdk
-        git clone --depth 1 https://github.com/emscripten-core/emsdk.git $HOME/emsdk
-        $HOME/emsdk/emsdk update-tags
-        $HOME/emsdk/emsdk install tot
-        $HOME/emsdk/emsdk activate tot
+      - name: setup cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.EM_CACHE_FOLDER }}
+          key: ${{ env.EM_VERSION }}-${{ runner.os }}
 
-    - name: update path
-      run:  echo "PATH=$PATH:$HOME/emsdk" >> $GITHUB_ENV
+      - name: emsdk install
+        uses: mymindstorm/setup-emsdk@v14
+        with:
+          version: ${{ env.EM_VERSION }}
+          actions-cache-folder: ${{ env.EM_CACHE_FOLDER }}
 
-    - name: mkdir
-      run: mkdir -p out
+      - name: mkdir
+        run: mkdir -p out
 
-    - name: cmake
-      run: cmake -S . -B out -G Ninja -DCMAKE_TOOLCHAIN_FILE=$HOME/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DCMAKE_BUILD_TYPE=Release -DWASM=true
+      - name: cmake
+        run: emcmake cmake -S . -B out -G Ninja -DCMAKE_BUILD_TYPE=Release -DWASM=true ${{ matrix.cmake_flags }}
 
-    - name: build
-      run: |
-        source $HOME/emsdk/emsdk_env.sh
-        cmake --build out
+      - name: build
+        run: emmake cmake --build out
diff --git a/scripts/build_tests.py b/scripts/build_tests.py
index c3c7122..573d417 100755
--- a/scripts/build_tests.py
+++ b/scripts/build_tests.py
@@ -56,7 +56,7 @@ def BuildWlaGb():
     Run('cmake', '-G', 'NMake Makefiles', '-DCMAKE_BUILD_TYPE=Release', WLA_DX_DIR, cwd=WLA_DX_BUILD_DIR)
     Run('nmake', cwd=WLA_DX_BUILD_DIR)
   else:
-    Run('cmake', WLA_DX_DIR, cwd=WLA_DX_BUILD_DIR)
+    Run('cmake', '-DCMAKE_POLICY_VERSION_MINIMUM=3.5', '-DCMAKE_C_FLAGS=-Wno-strict-prototypes', WLA_DX_DIR, cwd=WLA_DX_BUILD_DIR)
     Run('make', cwd=WLA_DX_BUILD_DIR)
   # Test that wla-gb was build OK.
   Run(os.path.join(WLA_DX_BIN_DIR, 'wla-gb'))