diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a2db9e5b2d8..b32dab359e2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -96,7 +96,7 @@ jobs:
       run: cd focalboard; make server-test-mini-${{matrix['db']}}
 
   ci-mac-server:
-    runs-on: macos-12
+    runs-on: macos-11
 
     strategy:
       matrix: