diff --git a/.gitmodules b/.gitmodules
index 22c723ac1..4471842a4 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/dkokron/GFDL_atmos_cubed_sphere
+  branch = hafs-BcastFillNestedGridCpl
 [submodule "ccpp/framework"]
   path = ccpp/framework
   url = https://github.com/NCAR/ccpp-framework
diff --git a/atmos_cubed_sphere b/atmos_cubed_sphere
index eeb4a714d..0be6f6f55 160000
--- a/atmos_cubed_sphere
+++ b/atmos_cubed_sphere
@@ -1 +1 @@
-Subproject commit eeb4a714d946f554da6b16800da436e1ce66a092
+Subproject commit 0be6f6f55692e68ed2573e1342265a836e377930