diff --git a/.gitmodules b/.gitmodules
index 5e5f8d221..5ee25b9fb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -8,8 +8,10 @@
   branch = develop
 [submodule "ccpp/physics"]
   path = ccpp/physics
-  url = https://github.com/ufs-community/ccpp-physics
-  branch = ufs/dev
+#  url = https://github.com/ufs-community/ccpp-physics
+#  branch = ufs/dev
+  url = https://github.com/XiaqiongZhou-NOAA/ccpp-physics
+  branch = dev_alt_dfac
 [submodule "upp"]
   path = upp
   url = https://github.com/NOAA-EMC/UPP
diff --git a/ccpp/physics b/ccpp/physics
index 55886ae3c..71303ead4 160000
--- a/ccpp/physics
+++ b/ccpp/physics
@@ -1 +1 @@
-Subproject commit 55886ae3c2c8c95d4e14a72a7115cfe88678178f
+Subproject commit 71303ead4f4347fbb55f02ea180175b00a93fffb