diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index 2d94750..9313e53 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -11,8 +11,8 @@ jobs:
     
     strategy:
       matrix:
-        os: [macos-12, macos-13]
-        # g++-13 fails on macos-12 and macos-13 with some error in stdio.h !
+        os: [macos-13]
+        # g++-13 fails on and macos-13 with some error in stdio.h !
         compiler: [clang++, g++-12, g++-14]
 
     steps: