diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5202844283..d71ad361ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -281,7 +281,7 @@ jobs:
 
   macos-installer:
     name: macos installer
-    runs-on: macos-15
+    runs-on: macos-26
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2