diff --git a/.github/workflows/build-multiplatform.yml b/.github/workflows/build-multiplatform.yml
index 3c02975b..44b47018 100644
--- a/.github/workflows/build-multiplatform.yml
+++ b/.github/workflows/build-multiplatform.yml
@@ -123,9 +123,9 @@ jobs:
         run: |
           export PATH="/usr/local/opt/ccache/libexec:$PATH"
           export CXX17=true
-          export CXX=g++-9
-          export CC=gcc-9
-          export FC=gfortran-9
+          export CXX=clang++
+          export CC=clang
+          export FC=gfortran
           env
           ./scripts/ci-build-and-test