diff --git a/config/versions.json b/config/versions.json
index a06ba925..4a92e5c3 100644
--- a/config/versions.json
+++ b/config/versions.json
@@ -1,5 +1,5 @@
 {
     "$schema": "http://github.com/ACCESS-NRI/schema/blob/main/au.org.access-nri/model/deployment/config/versions/3-0-0.json",
     "spack": "0.22",
-    "spack-packages": "2024.07.08"
+    "spack-packages": "163-om3-components"
 }
diff --git a/spack.yaml b/spack.yaml
index 514b28eb..89fe7847 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -4,19 +4,39 @@
 # configuration settings.
 # Instructions for editing this file are found in 
 # https://github.com/ACCESS-NRI/model-deployment-template/blob/main/spack.yaml
+# This is a Spack Environment file.
+#
+# It describes a set of packages to be installed, along with
+# configuration settings.
 spack:
+  # add package specs to the `specs` list
   specs:
-    - access-om3@git.2024.09.0
+  - access-om3@git.2025.x.0
   packages:
-    # Main Dependencies
-    access-om3-nuopc:
+    access3:
+      require:
+        - '@git.2025.03.0'
+        - configurations=MOM6,MOM6-CICE6,MOM6-CICE6-WW3
+    access-cice:
+      require:
+        - '@git.2025.01.1'
+        - io_type=PIO
+    access-mom6:
       require:
-        - '@git.0.3.1'
-
-    # Other Dependencies
+        - '@git.cmake_build'
+        - '+asymmetric_mem'
+    access-ww3:
+      require:
+        - '@git.2025.03.0'
+    access3-share:
+      require:
+        - '@git.2025.03.0'
     esmf:
       require:
-        - '@8.5.0'
+        - '@git.v8.7.0'
+    fms:
+      require:
+        - '@git.2024.03'
     parallelio:
       require:
         - '@2.6.2'
@@ -27,20 +47,16 @@ spack:
     netcdf-fortran:
       require:
         - '@4.6.1'
-    fms:
-      require:
-        - '@2023.02'
     openmpi:
       require:
-        - '@4.1.5'
-    fortranxml:
+        - '@4.1.7'
+    gcc-runtime:
       require:
-        - '@4.1.2'
-
+        - '%gcc'
     all:
       require:
-        - '%intel@2021.10.0'
-        - 'target=x86_64'
+        - '%oneapi@2025.0.4'
+        - target=x86_64_v4
   view: true
   concretizer:
     unify: true
@@ -49,7 +65,7 @@ spack:
       tcl:
         include:
           - access-om3
-          - access-om3-nuopc
+          - access3-exe
         projections:
-          access-om3: '{name}/2024.09.0'
-          access-om3-nuopc: '{name}/0.3.1-{hash:7}'
+          access-om3: '{name}/2025.x.0'
+          access3: '{name}/share_prototype-{hash:7}'