diff --git a/config/packages.json b/config/packages.json
index 436226d..266b0d1 100644
--- a/config/packages.json
+++ b/config/packages.json
@@ -4,7 +4,12 @@
     "issm"
   ],
   "injection": [
-    "openmpi",
-    "access-triangle"
+    "access-triangle",
+    "open-mpi",
+    "petsc",
+    "netcdf",
+    "hdf5",
+    "intel-mkl",
+    "python"
   ]
 }
diff --git a/config/versions.json b/config/versions.json
index 2e0bd08..7cb7b7b 100644
--- a/config/versions.json
+++ b/config/versions.json
@@ -1,5 +1,5 @@
 {
     "$schema": "https://raw.githubusercontent.com/ACCESS-NRI/schema/main/au.org.access-nri/model/deployment/config/versions/3-0-0.json",
     "spack": "0.22",
-    "spack-packages": "2025.04.001"
+    "spack-packages": "142f9ce2a10f4d3445e06c8b98c198f2ebdb4a15"
 }
diff --git a/spack.yaml b/spack.yaml
index 3075665..8648db3 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -1,29 +1,44 @@
 spack:
   specs:
-    - access-issm@git.2025.03.0
+    - access-issm@git.2025.06.0
+
+  # Create a unified view of all installed packages
+  view: true
+  # Make the solver unify dependencies
+  concretizer:
+    unify: true
+
   packages:
+    all:
+      require:
+        - 'target=x86_64'
+
     issm:
       require:
-        - '@git.2025.04.11'
+        - '@git.d52ab3f049920f1a5b0432938f1279ba09c3a8cf'
         - +wrappers
-    # Mark Python 3.9.2 as external so Spack reuses the system module
-    python:
-      externals:
-        - spec: python@3.9.2
-          modules:
-            - python3/3.9.2
-          prefix: /apps/python3/3.9.2
-      buildable: false
+        - +py-tools
+
     openmpi:
       require:
-        - '@4.1.7'
-    # “all” can remain empty if you aren’t forcing any particular compiler / MPI
-    all:
+        - '@4.1.3'
+
+    petsc:
       require:
-        - '%gcc@13'
-        - 'target=x86_64'
-  # Create a unified view of all installed packages
-  view: true
-  # Make the solver unify dependencies
-  concretizer:
-    unify: true
+        - '@3.17.4'
+    
+    netcdf-c:
+      require:
+        - '@4.8.0p'
+
+    hdf5:
+      require:
+        - '@1.10.7p'
+
+    intel-mkl:
+      require:
+        - '@2020.3.304'
+
+    python:
+      require:
+        - '@3.11.7'
\ No newline at end of file