diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dcf2761983..243257fc2f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-10.15
+    runs-on: macos-11
 
     steps:
       - uses: actions/checkout@v2
@@ -17,7 +17,7 @@ jobs:
           fetch-depth: '0'
 
       - name: Set active Xcode path
-        run: sudo xcode-select -s /Applications/Xcode_12.4.app/Contents/Developer
+        run: sudo xcode-select -s /Applications/Xcode_12.5.1.app/Contents/Developer
 
       - name: Create canonical source directory
         run: |