diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 632bfd4cf..7af47ac2c 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -76,7 +76,7 @@ jobs:
 
   macos:
     name: Nix - MacOS
-    runs-on: macos-15
+    runs-on: macos-26
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix Environment