diff --git a/.github/workflows/Fortran.yml b/.github/workflows/Fortran.yml
index 24fd3bdc6..7f0be0277 100644
--- a/.github/workflows/Fortran.yml
+++ b/.github/workflows/Fortran.yml
@@ -2,7 +2,7 @@ name: Grid and Mesh Solver
 on: [push]
 
 env:
-  PETSC_VERSION: '3.20.1'
+  PETSC_VERSION: '3.20.3'
   HOMEBREW_NO_ANALYTICS: 'ON'     # Make Homebrew installation a little quicker
   HOMEBREW_NO_AUTO_UPDATE: 'ON'
   HOMEBREW_NO_BOTTLE_SOURCE_FALLBACK: 'ON'
@@ -83,7 +83,7 @@ jobs:
       - name: DAMASK - Run
         run: |
           ./bin/DAMASK_grid -l tensionX.yaml -g 20grains16x16x16.vti -m material.yaml -w examples/grid
-          ./bin/DAMASK_mesh -h
+          ./bin/DAMASK_mesh -l tensionZ_3g.yaml -g cube_3grains.msh -m material.yaml -w examples/mesh
 
 
   intel:
@@ -138,9 +138,9 @@ jobs:
         run: |
           cd petsc-${PETSC_VERSION}
           ./configure \
-          --with-fc='mpiifort -fc=ifx' \
-          --with-cc='mpiicc -cc=icx' \
-          --with-cxx='mpiicpc -cxx=icpx' \
+          --with-fc=mpiifx \
+          --with-cc=mpiicx \
+          --with-cxx=mpiicpx \
           --download-fftw --download-hdf5 --download-hdf5-fortran-bindings=1 --download-zlib
           make all
 
@@ -156,4 +156,4 @@ jobs:
       - name: DAMASK - Run
         run: |
           ./bin/DAMASK_grid -l tensionX.yaml -g 20grains16x16x16.vti -m material.yaml -w examples/grid
-          ./bin/DAMASK_mesh -h
+          ./bin/DAMASK_mesh -l tensionZ_3g.yaml -g cube_3grains.msh -m material.yaml -w examples/mesh