diff --git a/.gitmodules b/.gitmodules
index 43ea4ced9..778a334c2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -37,7 +37,7 @@
         path = cime
         url = https://github.com/ESMCI/cime
         fxDONOTUSEurl = https://github.com/ESMCI/cime
-        fxtag = cime6.1.29
+        fxtag = cime6.1.46
         fxrequired = ToplevelRequired
 
 [submodule "fms"]
diff --git a/cime b/cime
index 2776043f0..29aa60f99 160000
--- a/cime
+++ b/cime
@@ -1 +1 @@
-Subproject commit 2776043f0d20d2bc1094afeb48e0cc242b0b0407
+Subproject commit 29aa60f999caa6c57f754ef123a4a235724777de