diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb2cc3659..22e1982c2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Odin check
         run: ./odin check examples/demo/demo.odin -vet
   build_macOS:
-    runs-on: macOS-latest
+    runs-on: macos-11
     steps:
       - name: Setup Xcode version
         uses: maxim-lobanov/setup-xcode@v1.2.1