diff --git a/.gitmodules b/.gitmodules
index dc0798c32..411885554 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,8 +4,10 @@
 	branch = main
 [submodule "ccpp-physics"]
 	path = ccpp/physics
-	url = https://github.com/NCAR/ccpp-physics
-	branch = main
+	url = https://github.com/grantfirl/ccpp-physics
+        branch = ufs-dev-PR153
+        #url = https://github.com/NCAR/ccpp-physics
+	#branch = main
 [submodule "CMakeModules"]
 	path = CMakeModules
 	url = https://github.com/noaa-emc/CMakeModules