diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 853438f..f2ec320 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -18,14 +18,12 @@ jobs:
         os: [ubuntu-latest, macos-latest]
         toolchain:
           - {compiler: gcc, version: 11}
-          # - {compiler: intel-classic, version: '2021.9'}
+          - {compiler: intel-classic, version: '2021.9'}
         include:
-          - os: macos-latest
-            toolchain: {compiler: intel-classic, version: '2021.9'}
+          # - os: macos-latest
+          #   toolchain: {compiler: intel-classic, version: '2021.9'}
           - os: ubuntu-latest
-            toolchain: 
-              - {compiler: intel, version: '2023.1'}
-              - {compiler: intel-classic, version: '2021.9'}
+            toolchain: {compiler: intel, version: '2023.1'}
 
     steps:
       - uses: awvwgk/setup-fortran@v1