diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index c7030ddd..b9c3a210 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -21,7 +21,7 @@ jobs:
   build_gcm:
     strategy:
       matrix:
-        compiler: [ifort, gfortran-14, gfortran-15, ifx]
+        compiler: [ifort, gfortran-15, gfortran-16, ifx]
         build-type: [Debug]
       fail-fast: false
     uses: GEOS-ESM/CI-workflows/.github/workflows/geosgcm_build_tests.yml@project/geosgcm
diff --git a/regression/run_case.cmake b/regression/run_case.cmake
index 9282d986..efa2d214 100644
--- a/regression/run_case.cmake
+++ b/regression/run_case.cmake
@@ -14,7 +14,10 @@ function(run_case case_name regression_data_dir)
   if (NOT EXISTS ${checkpoints_dir})
     message(WARNING "Baseline directory [${checkpoints_dir}] not found. Skipping comparison.")
   elseif(FORTRAN_COMPILER_ID STREQUAL "IntelLLVM") # only compare against IntelLLVM baselines
-    compare_results(${checkpoints_dir} ${expdir}/checkpoints/last NANS_ARE_EQUAL)
+    compare_results(
+      ${checkpoints_dir} ${expdir}/checkpoints/last
+      NANS_ARE_EQUAL
+      EXCLUDE_VARS lons lats corner_lons corner_lats)
   endif()
 
   file(REMOVE_RECURSE ${expdir})