diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8afc5e4..83ecb53 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         os:
           - ubuntu-24.04
-          - macos-15
+          - macos-26
     runs-on: ${{matrix.os}}
     steps:
       - uses: actions/checkout@v6