diff --git a/.github/actionlint.yml b/.github/actionlint.yml
index 61588b7be..2e26b8b96 100644
--- a/.github/actionlint.yml
+++ b/.github/actionlint.yml
@@ -3,4 +3,5 @@
 self-hosted-runner:
   labels:
     - macos-15-intel
+    - macos-26
     - ubuntu-24.04-arm
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index c4f3f3d56..9038049b0 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -60,7 +60,7 @@ 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