diff --git a/.github/workflows/macOS-Intel.yml b/.github/workflows/macOS-Intel.yml
index 86c68d1d..059afefa 100644
--- a/.github/workflows/macOS-Intel.yml
+++ b/.github/workflows/macOS-Intel.yml
@@ -12,7 +12,7 @@ env:
 jobs:
   build:
 
-    runs-on: macos-latest
+    runs-on: macos-11
 
     steps:
     - uses: actions/checkout@master