diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 277f877..e4d15aa 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -35,7 +35,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ ubuntu-latest, macos-12 ]
+        os: [ ubuntu-latest, macos-13 ]
     steps:
     # actions/checkout@v2
     - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938