diff --git a/.gitmodules b/.gitmodules
index be145c18..8288e726 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -65,8 +65,8 @@
 	ignore = all
 [submodule "sorc/mpas"]
 	path = sorc/mpas
-	url = https://github.com/MPAS-Dev/MPAS-Model
-	branch = release-stable 
+	url = https://github.com/NOAA-GSL/MPAS-Model
+	branch = gsl/develop
 	ignore = all
 [submodule "sorc/mpas-jedi"]
 	path = sorc/mpas-jedi
diff --git a/build.sh b/build.sh
index a4362a80..a4d5f009 100755
--- a/build.sh
+++ b/build.sh
@@ -92,6 +92,9 @@ case ${BUILD_TARGET} in
     ;;
 esac
 
+# tweak sorc/mpas/src/core_init_atmosphere/mpas_init_atm_cases.F to make building work
+sed -i -e "5549 s/.*/call mpas_log_write('Interpolating SOILM000')/" sorc/mpas/src/core_init_atmosphere/mpas_init_atm_cases.F
+
 # Set default number of build jobs based on machine
 if [[ $BUILD_TARGET == 'orion' ]]; then # lower due to memory limit on login nodes
   BUILD_JOBS=${BUILD_JOBS:-4}
diff --git a/sorc/mpas b/sorc/mpas
index 41e9a3fb..041ea960 160000
--- a/sorc/mpas
+++ b/sorc/mpas
@@ -1 +1 @@
-Subproject commit 41e9a3fb8ca6b9250a7405209a5c60996318409f
+Subproject commit 041ea9608c99246fc50051fcf1024c35d2da807f