diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 24b795bc5..b5e3bf9e2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ concurrency:
 jobs:
   cocoapods:
     name: CocoaPods
-    runs-on: macos-13
+    runs-on: macOS-13
     steps:
       - name: Check out repository
         uses: actions/checkout@v2
@@ -16,7 +16,7 @@ jobs:
         run: pod lib lint
   spm:
     name: Swift Package Manager
-    runs-on: macos-13
+    runs-on: macOS-13
     steps:
       - name: Check out repository
         uses: actions/checkout@v2