diff --git a/.gitmodules b/.gitmodules
index a3775fc12d..beb967fa8c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,9 @@
 [submodule "FV3"]
   path = FV3
-  url = https://github.com/NOAA-EMC/fv3atm
-  branch = develop
+# url = https://github.com/NOAA-EMC/fv3atm
+# branch = develop
+  url = https://github.com/hafs-community/fv3atm
+  branch = feature/grid_corner_jc_fix
 [submodule "WW3"]
   path = WW3
   url = https://github.com/NOAA-EMC/WW3
diff --git a/FV3 b/FV3
index 07c26d1efa..4fd5f0ef24 160000
--- a/FV3
+++ b/FV3
@@ -1 +1 @@
-Subproject commit 07c26d1efae47445e4c36ff98942494788e7dc49
+Subproject commit 4fd5f0ef24fe34e3ef81b78af0686b1746c68f82