diff --git a/.github/workflows/CI-unixish.yml b/.github/workflows/CI-unixish.yml
index d6800a82..c675d565 100644
--- a/.github/workflows/CI-unixish.yml
+++ b/.github/workflows/CI-unixish.yml
@@ -10,7 +10,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-22.04, ubuntu-24.04, macos-13, macos-14, macos-15]
+        os: [ubuntu-22.04, ubuntu-24.04, macos-14, macos-15, macos-15-intel, macos-26]
         compiler: [clang++]
         include:
           - os: ubuntu-22.04