diff --git a/ccpp/physics b/ccpp/physics
index bac199468..8c68c2f9b 160000
--- a/ccpp/physics
+++ b/ccpp/physics
@@ -1 +1 @@
-Subproject commit bac19946862a08b453e94678727c868f1b60c450
+Subproject commit 8c68c2f9b63ae1456678cf31a74fe0005a8bcb7c