diff --git a/spack.yaml b/spack.yaml
index 514b28e..a755a14 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -6,13 +6,13 @@
 # https://github.com/ACCESS-NRI/model-deployment-template/blob/main/spack.yaml
 spack:
   specs:
-    - access-om3@git.2024.09.0
+    - access-om3@git.2024.12.mom6
   packages:
     # Main Dependencies
     access-om3-nuopc:
       require:
         - '@git.0.3.1'
-
+        - configurations=MOM6
     # Other Dependencies
     esmf:
       require:
@@ -51,5 +51,5 @@ spack:
           - access-om3
           - access-om3-nuopc
         projections:
-          access-om3: '{name}/2024.09.0'
+          access-om3: '{name}/2024.12.mom6'
           access-om3-nuopc: '{name}/0.3.1-{hash:7}'