diff --git a/.github/workflows/testing-gcc.yml b/.github/workflows/testing-gcc.yml
index a986213e5c2..fd6b93515fc 100644
--- a/.github/workflows/testing-gcc.yml
+++ b/.github/workflows/testing-gcc.yml
@@ -24,7 +24,7 @@ jobs:
         cd build
         cmake -G Ninja \
           -DCMAKE_BUILD_TYPE=Debug \
-          -DUSE_MPI=OFF \
+          -DUSE_MPI=ON \
           -DUSE_OPENMP=ON \
           -DUSE_SMM=blas \
           -DUSE_MPI_F08=ON \