diff --git a/Externals.cfg b/Externals.cfg
index 0fdfc955ee..1fce5173dc 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -3,7 +3,7 @@ protocol = git
 repo_url = https://github.com/NOAA-GSL/regional_workflow
 # Specify either a branch name or a hash but not both.
 #branch = feature/RRFS_dev1
-hash = 41cae33
+hash = 5642349
 local_path = regional_workflow
 required = True
 
diff --git a/env/build_hera_intel.env b/env/build_hera_intel.env
index f8a29330ef..3cdc513432 100644
--- a/env/build_hera_intel.env
+++ b/env/build_hera_intel.env
@@ -25,6 +25,9 @@ module load nco/4.9.3
 module use /scratch2/BMC/ifi/modulefiles
 module try-load ifi/20230112-intel-2022.1.2
 
+module unload fms/2022.01
+export FMS_ROOT=/scratch1/BMC/wrfruc/mhu/code/lib/FMS/build
+
 export CMAKE_C_COMPILER=mpiicc
 export CMAKE_CXX_COMPILER=mpiicpc
 export CMAKE_Fortran_COMPILER=mpiifort