diff --git a/.gitmodules b/.gitmodules
index ab72b60a64..52ea813fac 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,9 @@
 [submodule "FV3"]
   path = FV3
-  url = https://github.com/NOAA-EMC/fv3atm
-  branch = develop
+  #url = https://github.com/NOAA-EMC/fv3atm
+  #branch = develop
+  url = https://github.com/climbfuji/fv3atm
+  branch = feature/gfs_phys_time_vary_nrl_multiinstance
 [submodule "WW3"]
   path = WW3
   url = https://github.com/NOAA-EMC/WW3
diff --git a/FV3 b/FV3
index 1648e176fa..2315a528e5 160000
--- a/FV3
+++ b/FV3
@@ -1 +1 @@
-Subproject commit 1648e176fa869d0ca9ce9ea5822b3594afd8c353
+Subproject commit 2315a528e534315439926e62bee4424c39089404