diff --git a/Externals.cfg b/Externals.cfg
index 495cf49a6a..ee84eeb920 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 = 2848f24
+hash = 5996ac7
 local_path = regional_workflow
 required = True
 
@@ -21,7 +21,7 @@ protocol = git
 repo_url = https://github.com/ufs-community/ufs-weather-model.git
 # Specify either a branch name or a hash but not both.
 #branch = develop
-hash = ed7fc88
+hash = f1f0180
 local_path = src/ufs_weather_model
 required = True
 
@@ -57,7 +57,7 @@ protocol = git
 repo_url = https://github.com/NOAA-GSL/rrfs_utl.git
 # Specify either a branch name or a hash but not both.
 # branch = develop
-hash = 0000349
+hash = ecef5a2
 local_path = src/rrfs_utl
 required = True
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 08bc4f0b4a..dad662d60a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -22,6 +22,8 @@ ExternalProject_Add(ufs_weather_model
                "-DCMAKE_CXX_COMPILER=${MPI_CXX_COMPILER}"
                "-DCMAKE_Fortran_COMPILER=${MPI_Fortran_COMPILER}"
                "-D32BIT=ON"
+               "-DCCPP_32BIT=ON"
+               "-DFASTER=ON"
                "-DAPP=ATM"
                "-DNETCDF_DIR=$ENV{NETCDF}"
   INSTALL_COMMAND mkdir -p ${CMAKE_INSTALL_PREFIX}/bin && cp ${CMAKE_CURRENT_BINARY_DIR}/ufs_weather_model/src/ufs_weather_model-build/ufs_model ${CMAKE_INSTALL_PREFIX}/bin/