diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e232b5ba2..2e16d7e33 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
             os: ubuntu-latest
             arch: x64
           - version: '1'
-            os: mac-latest
+            os: macOS-latest
             arch: x64
     steps:
       - uses: actions/checkout@v2