diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 035ec3d..96536d9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -100,9 +100,9 @@ jobs:
     strategy:
       matrix:
         os:
-        - ubuntu-latest
-        - windows-latest
-        - macos-latest
+          - ubuntu-latest
+          - windows-latest
+          - macos-13
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps: