diff --git a/.github/workflows/Build_and_Run_Standalone_Test.yml b/.github/workflows/Build_and_Run_Standalone_Test.yml
index eaedda0..0d4f39f 100644
--- a/.github/workflows/Build_and_Run_Standalone_Test.yml
+++ b/.github/workflows/Build_and_Run_Standalone_Test.yml
@@ -58,9 +58,9 @@ jobs:
           ./configure 5
         elif [ ${{ runner.os }} == 'macOS' ]
         then
-          brew install gcc@11
-          echo 'gfortran = $(which gfortran-11)'
-          sudo ln -s $(which gfortran-11) /usr/local/bin/gfortran
+          brew install gcc@13
+          echo 'gfortran = $(which gfortran-13)'
+          sudo ln -s $(which gfortran-13) /usr/local/bin/gfortran
           ./configure 4
         fi