diff --git a/.gitmodules b/.gitmodules
index 6d2d19bb4..a8018914d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -8,5 +8,7 @@
 	branch = gsl/develop
 [submodule "ccpp/physics"]
 	path = ccpp/physics
-	url = https://github.com/NOAA-GSL/ccpp-physics
-	branch = gsl/develop
+	#url = https://github.com/NOAA-GSL/ccpp-physics
+	#branch = gsl/develop
+	url = https://github.com/tanyasmirnova/ccpp-physics
+	branch = gsl_dev_11aug21_lake
diff --git a/ccpp/physics b/ccpp/physics
index d7289c4d7..28a920c57 160000
--- a/ccpp/physics
+++ b/ccpp/physics
@@ -1 +1 @@
-Subproject commit d7289c4d7754ad7f914aa3744b056f38eee4e1ea
+Subproject commit 28a920c573b2ad476eefee06a78f18b9ab141e26