diff --git a/.gitmodules b/.gitmodules
index c5de3c54e..e96bce89e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -73,7 +73,7 @@
         url = https://github.com/ESCOMP/CESM_CICE
         fxDONOTUSEurl = https://github.com/ESCOMP/CESM_CICE
         fxrequired = ToplevelRequired
-        fxtag = cesm3_cice6_6_3_12
+        fxtag = cesm3_cice6_6_3_15
 
 [submodule "mom"]
         path = components/mom
diff --git a/ChangeLog b/ChangeLog
index 8a9a7cf9a..060f54968 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -43,6 +43,13 @@ cdeps
 
 
 cice
+    Chris Fischer 2026-05-11 - cesm3_cice6_6_3_15 - components/cice (cesm3_0_alpha09a)
+    https://github.com/ESCOMP/CESM_CICE/tags/cesm3_cice6_6_3_15
+
+    cesm3_cice6_6_3_15: Turn off halo masking for prescribed cases
+    cesm3_cice6_6_3_14: Added CESM3 CICE users guide
+    cesm3_cice6_6_3_13: Fix snwredist option
+
     David Bailey 2026-04-28 - cesm3_cice6_6_3_12 - components/cice (cesm3_0_alpha09a)
     https://github.com/ESCOMP/CESM_CICE/tags/cesm3_cice6_6_3_13
 
diff --git a/components/cice b/components/cice
index 71fab8612..3085d8fb7 160000
--- a/components/cice
+++ b/components/cice
@@ -1 +1 @@
-Subproject commit 71fab8612857739101de9ad4acbe3a927f6d52bc
+Subproject commit 3085d8fb7ca3cf02d54f43998092f18c272ef4c3