diff --git a/spack.yaml b/spack.yaml
index 79ceed8..bec017a 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -10,7 +10,7 @@ spack:
     cice5:
       require: '@git.2023.10.19'
     mom5:
-      require: '@git.2023.11.09'
+      require: '@git.development=access-esm1.6'
     libaccessom2:
       require: '@git.2023.10.26'
     oasis3-mct:
@@ -23,8 +23,17 @@ spack:
       require: '@2.5.2'
     openmpi:
       require: '@4.0.2'
+    access-fms:
+      require: '@development'
+    access-generic-tracers:
+      require: '@development'
+    access-mocsy:
+      require: '@mom5'
+    # Specifications that apply to all packages
     all:
-      compiler: [intel@19.0.5.281]
+      require:
+        - '%intel@19.0.5.281'
+        - 'target=x86_64'
   view: true
   concretizer:
     unify: true