diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index 732b7b3..71d17ee 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-12
     
     strategy:
       matrix: