diff --git a/.gitmodules b/.gitmodules
index 6bb663df1..5944dafd5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,9 @@
 [submodule "atmos_cubed_sphere"]
   path = atmos_cubed_sphere
-  url = https://github.com/NOAA-GFDL/GFDL_atmos_cubed_sphere
-  branch = dev/emc
+  #url = https://github.com/NOAA-GFDL/GFDL_atmos_cubed_sphere
+  #branch = dev/emc
+  url = https://github.com/MicroTed/GFDL_atmos_cubed_sphere
+  branch = regional_bc_test
 [submodule "ccpp/framework"]
   path = ccpp/framework
   url = https://github.com/NCAR/ccpp-framework
diff --git a/atmos_cubed_sphere b/atmos_cubed_sphere
index fad4c9f1f..442d61dbb 160000
--- a/atmos_cubed_sphere
+++ b/atmos_cubed_sphere
@@ -1 +1 @@
-Subproject commit fad4c9f1fc29c0cbb47df9a07a573249155a1c42
+Subproject commit 442d61dbbbb2fe0ef683f684376aff8278e1ed37