diff --git a/.github/workflows/macosx-clang-mpich.yml b/.github/workflows/macosx-clang-mpich.yml
index 2b1e454da6..9bfef3868d 100644
--- a/.github/workflows/macosx-clang-mpich.yml
+++ b/.github/workflows/macosx-clang-mpich.yml
@@ -15,7 +15,7 @@ concurrency:
 
 jobs:
   build:
-    runs-on: macos-10.15
+    runs-on: macos-11
 
     if: github.event.pull_request.draft == false