diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ba24926..fbc1431 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,21 +15,26 @@ jobs:
         submodules: true
 
     - name: Configure
-      run: cmake -B build -S . -DCMAKE_BUILD_TYPE=Release
+      run: cmake -B build -S . -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"
 
     - name: Build
       run: cmake --build build --parallel
 
+    - name: Verify universal binary
+      run: |
+        file build/RocketEditor.app/Contents/MacOS/RocketEditor
+        lipo -info build/RocketEditor.app/Contents/MacOS/RocketEditor
+
     - name: Package
       run: |
         cd build
-        zip -r RocketEditor-macOS.zip RocketEditor.app
+        zip -r RocketEditor-macOS-universal.zip RocketEditor.app
 
     - name: Upload artifact
       uses: actions/upload-artifact@v4
       with:
         name: RocketEditor-macOS
-        path: build/RocketEditor-macOS.zip
+        path: build/RocketEditor-macOS-universal.zip
 
   build_windows:
     runs-on: windows-latest
@@ -78,5 +83,5 @@ jobs:
       uses: softprops/action-gh-release@v1
       with:
         files: |
-          RocketEditor-macOS.zip
+          RocketEditor-macOS-universal.zip
           RocketEditor-Windows.zip
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc039e3..a934c06 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ project(RocketEditor)
 
 cmake_minimum_required(VERSION 3.5...3.28)
 
-set(CMAKE_OSX_ARCHITECTURES x86_64)
+set(CMAKE_OSX_ARCHITECTURES "x86_64;arm64")
 
 set(RKT_EXE_NAME "RocketEditor")
 set(EXAMPLE_NAME "BasicExample")
diff --git a/external/minimp3/minimp3.h b/external/minimp3/minimp3.h
index 3220ae1..4a46f3c 100644
--- a/external/minimp3/minimp3.h
+++ b/external/minimp3/minimp3.h
@@ -176,7 +176,7 @@ static int have_simd(void)
 #define VMUL_S(x, s)  vmulq_f32(x, vmovq_n_f32(s))
 #define VREV(x) vcombine_f32(vget_high_f32(vrev64q_f32(x)), vget_low_f32(vrev64q_f32(x)))
 typedef float32x4_t f4;
-static int have_simd()
+static int have_simd(void)
 {   /* TODO: detect neon for !MINIMP3_ONLY_SIMD */
     return 1;
 }