diff --git a/.gitmodules b/.gitmodules
index 0dd1d54289..e447c1e782 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,8 +1,8 @@
 [submodule "FV3"]
   path = FV3
   #url = https://github.com/NOAA-EMC/fv3atm
-  url = https://github.com/lisa-bengtsson/fv3atm
-  branch = develop
+  url = https://github.com/XiaqiongZhou-NOAA/fv3atm
+  branch = sigcld
 [submodule "WW3"]
   path = WW3
   url = https://github.com/NOAA-EMC/WW3
diff --git a/FV3 b/FV3
index c2afb53b32..ec1da7bcfa 160000
--- a/FV3
+++ b/FV3
@@ -1 +1 @@
-Subproject commit c2afb53b326ae30913706e3fc04f78ee8b2c973f
+Subproject commit ec1da7bcfa7a3d03b6298c944298c380d7ca7881