diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d1fedd4..10a85a7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,8 +15,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        # os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-20.04, windows-2022, macos-12]
     runs-on: ${{matrix.os}}
     steps:
       - uses: goto-bus-stop/setup-zig@v2
@@ -58,6 +57,5 @@ jobs:
           submodules: recursive
       - uses: goto-bus-stop/setup-zig@v2
         with:
-          version: 0.11.0-dev.3395+1e7dcaa3a
-      - run: zig fmt src/**/*.zig
-  
\ No newline at end of file
+          version: 0.12.0-dev.2063+804cee3b9
+      - run: zig fmt --check {src,lib}/**/*.zig build.zig build.zig.zon