diff --git a/.gitmodules b/.gitmodules
index fab2bd8c3..d04ad46df 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -30,7 +30,7 @@
         path = ccs_config
         url = https://github.com/jedwards4b/ccs_config_cesm.git
         fxDONOTUSEurl = https://github.com/ESMCI/ccs_config_cesm.git
-        fxtag = ccs_config_cesm1.0.10_update_default_ww3grid04
+        fxtag = ccs_config_cesm1.0.10_update_default_ww3grid05
         fxrequired = ToplevelRequired
 
 [submodule "cime"]
diff --git a/ccs_config b/ccs_config
index 7bd0d1f05..45bf60386 160000
--- a/ccs_config
+++ b/ccs_config
@@ -1 +1 @@
-Subproject commit 7bd0d1f05e20e6e1d3f1fa260a788206294f5927
+Subproject commit 45bf603862e0193eb0253c49a55b154224743ba1