diff --git a/config/versions.schema.json b/config/versions.schema.json
deleted file mode 100644
index 9184352..0000000
--- a/config/versions.schema.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-    "$schema": "https://json-schema.org/draft/2020-12/schema",
-    "title": "Deployment Environments",
-    "description": "A list of deployment targets that are supported",
-    "type": "object",
-    "properties": {
-        "$schema": {
-            "type": "string"
-        },
-        "spack-packages": {
-            "type": "string"
-        },
-        "spack-config": {
-            "type": "string"
-        }
-    },
-    "required": [ "$schema", "spack-packages", "spack-config" ],
-    "additionalProperties": false
-}
\ No newline at end of file
diff --git a/spack.yaml b/spack.yaml
index 79ceed8..bfa6df2 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -8,53 +8,48 @@ spack:
     - access-om2@git.2024.03.0
   packages:
     cice5:
-      require: '@git.2023.10.19'
+      require:
+        - '@git.2023.10.19'
     mom5:
-      require: '@git.2023.11.09'
+      require:
+        - '@git.2023.11.09'
     libaccessom2:
-      require: '@git.2023.10.26'
+      require:
+        - '@git.2023.10.26'
     oasis3-mct:
-      require: '@git.2023.11.09'
+      require:
+        - '@git.2023.11.09'
     netcdf-c:
-      require: '@4.7.4'
+      require:
+        - '@4.7.4'
     netcdf-fortran:
-      require: '@4.5.2'
+      require:
+        - '@4.5.2'
     parallelio:
-      require: '@2.5.2'
+      require:
+        - '@2.5.2'
     openmpi:
-      require: '@4.0.2'
+      require:
+        - '@4.0.2'
     all:
-      compiler: [intel@19.0.5.281]
+      require:
+        - '%intel@19.0.5.281'
+        - 'target=x86_64'
   view: true
   concretizer:
     unify: true
   modules:
     default:
-      enable:
-        - tcl
-      roots:
-        tcl: $spack/../release/modules
-        lmod: $spack/../release/lmod
       tcl:
-        hash_length: 0
         include:
           - access-om2
           - mom5
           - cice5
           - libaccessom2
           - oasis3-mct
-        exclude_implicits: true
-        all:
-          autoload: run
-          conflict:
-            - '{name}'
-          environment:
-            set:
-              'SPACK_{name}_ROOT': '{prefix}'
         projections:
-          all: '{name}/{version}'
           access-om2: '{name}/2024.03.0'
-          cice5: '{name}/2023.10.19'
-          mom5: '{name}/2023.11.09'
-          libaccessom2: '{name}/2023.10.26'
-          oasis3-mct: '{name}/2023.11.09'
+          cice5: '{name}/2023.10.19-{hash:7}'
+          mom5: '{name}/2023.11.09-{hash:7}'
+          libaccessom2: '{name}/2023.10.26-{hash:7}'
+          oasis3-mct: '{name}/2023.11.09-{hash:7}'