diff --git a/FV3 b/FV3
index ac5336cd31..c4e39a1a2b 160000
--- a/FV3
+++ b/FV3
@@ -1 +1 @@
-Subproject commit ac5336cd31996461e8e6d6b1b62de8763c693936
+Subproject commit c4e39a1a2b239babea0139e80392dbc71b234ae3