diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da04d33..c7a5f42 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,11 +20,11 @@ jobs:
         path: ./ctremu
         
   macos-build:
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
-      run: arch -x86_64 brew install sdl2 glew xxhash xbyak capstone
+      run: brew install sdl2 glew xxhash xbyak capstone
     - name: build
       run: make USER=1
     - uses: actions/upload-artifact@v4