diff --git a/.gitmodules b/.gitmodules
index 1f7526633..a9a5691de 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -8,5 +8,5 @@
 	branch = master
 [submodule "ccpp/physics"]
 	path = ccpp/physics
-	url = https://github.com/NCAR/ccpp-physics
-	branch = master
+	url = https://github.com/YihuaWu-NOAA/ccpp-physics
+	branch = flake
diff --git a/ccpp/physics b/ccpp/physics
index 26aa3d62b..2d3b3c481 160000
--- a/ccpp/physics
+++ b/ccpp/physics
@@ -1 +1 @@
-Subproject commit 26aa3d62ba981553a9c8d86afadfa716ad16a960
+Subproject commit 2d3b3c4816e7132bf6cd3ebdff72473341b99aca