diff --git a/.gitmodules b/.gitmodules
index 75876f6fa5..ebe529b1d7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -8,8 +8,10 @@
   branch = production/RRFS.v1
 [submodule "ccpp/physics"]
   path = ccpp/physics
-  url = https://github.com/ufs-community/ccpp-physics
-  branch = production/RRFS.v1
+#  url = https://github.com/ufs-community/ccpp-physics
+#  branch = production/RRFS.v1
+  url = https://github.com/JiliDong-NOAA/ccpp-physics 
+  branch = sigmab_restart_fix
 [submodule "upp"]
   path = upp
   url = https://github.com/NOAA-EMC/UPP
diff --git a/ccpp/physics b/ccpp/physics
index c197599640..5da47dc252 160000
--- a/ccpp/physics
+++ b/ccpp/physics
@@ -1 +1 @@
-Subproject commit c197599640f63a35867c0cee993fee66a67e1b68
+Subproject commit 5da47dc25298e8ce5588f687ea3a0023034975d0