diff --git a/.github/workflows/cpp-coverage.yml b/.github/workflows/cpp-coverage.yml
index fadce7a..30dd238 100644
--- a/.github/workflows/cpp-coverage.yml
+++ b/.github/workflows/cpp-coverage.yml
@@ -12,7 +12,7 @@ on: # yamllint disable-line rule:truthy
 jobs:
   coverage:
     name: C++ CMake CI Coverage
-    runs-on: macos-15
+    runs-on: macos-26
 
     steps:
       - name: Checkout repository