diff --git a/.github/build-ci/data/standard.json b/.github/build-ci/data/standard.json
index 04fe0ca..6c6370b 100644
--- a/.github/build-ci/data/standard.json
+++ b/.github/build-ci/data/standard.json
@@ -1,5 +1,5 @@
 {
-  "intel_compiler": "intel@2021.10.0",
-  "gcc_compiler": "gcc@13.2.0",
-  "oneapi_compiler": "oneapi@2025.2.0"
+  "intel_compiler_version": "2021.10.0",
+  "gcc_compiler_version": "13.2.0",
+  "oneapi_compiler_version": "2025.2.0"
 }
diff --git a/.github/build-ci/manifests/gcc.spack.yaml.j2 b/.github/build-ci/manifests/gcc.spack.yaml.j2
index 8f75309..b4e98f7 100644
--- a/.github/build-ci/manifests/gcc.spack.yaml.j2
+++ b/.github/build-ci/manifests/gcc.spack.yaml.j2
@@ -1,11 +1,15 @@
 spack:
   specs:
   # *_compiler is defined in the .github/build-ci/data/standard.json file
-  - access-mocsy@git.{{ ref }}
+  - access-mocsy@git.{{ ref }}=stable
   packages:
+    gcc:
+      require:
+      - '@{{ gcc_compiler_version }}'
     all:
       require:
-      - '%{{ gcc_compiler }} target=x86_64'
+      - '%access_gcc'
+      - 'target=x86_64'
   concretizer:
     unify: false
   view: false
diff --git a/.github/build-ci/manifests/intel.spack.yaml.j2 b/.github/build-ci/manifests/intel.spack.yaml.j2
index 8d3b7f5..309cdea 100644
--- a/.github/build-ci/manifests/intel.spack.yaml.j2
+++ b/.github/build-ci/manifests/intel.spack.yaml.j2
@@ -1,11 +1,15 @@
 spack:
   specs:
   # *_compiler is defined in the .github/build-ci/data/standard.json file
-  - access-mocsy@git.{{ ref }}
+  - access-mocsy@git.{{ ref }}=stable
   packages:
+    intel-oneapi-compiler-classic:
+      require:
+      - '@{{ intel_compiler_version }}'
     all:
       require:
-      - '%{{ intel_compiler }} target=x86_64'
+      - '%access_intel'
+      - 'target=x86_64'
   concretizer:
     unify: false
   view: false
diff --git a/.github/build-ci/manifests/oneapi.spack.yaml.j2 b/.github/build-ci/manifests/oneapi.spack.yaml.j2
index 845fbd8..9eee10b 100644
--- a/.github/build-ci/manifests/oneapi.spack.yaml.j2
+++ b/.github/build-ci/manifests/oneapi.spack.yaml.j2
@@ -1,14 +1,15 @@
 spack:
   specs:
   # *_compiler is defined in the .github/build-ci/data/standard.json file
-  - access-mocsy@git.{{ ref }}
+  - access-mocsy@git.{{ ref }}=stable
   packages:
-    gcc-runtime:
+    intel-oneapi-compilers:
       require:
-        - '%gcc'
+      - '@{{ oneapi_compiler_version }}'
     all:
       require:
-      - '%{{ oneapi_compiler }} target=x86_64'
+      - '%access_oneapi'
+      - 'target=x86_64'
   concretizer:
     unify: false
   view: false
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 726b2f5..d8693a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,11 +28,10 @@ jobs:
       max-parallel: 3
       matrix:
         file: ${{ fromJson(needs.pre-ci.outputs.matrix) }}
-    uses: access-nri/build-ci/.github/workflows/ci.yml@v2
+    uses: access-nri/build-ci/.github/workflows/ci.yml@v3
     with:
       spack-manifest-path: ${{ matrix.file }}
       spack-manifest-data-path: .github/build-ci/data/standard.json
       allow-ssh-into-spack-install: false  # If true, PR author must ssh into instance to complete job
-      # spack-packages-ref: main
-      # spack-config-ref: main
-      # spack-ref: releases/v0.22
+      # Default args (including explicit spack/spack-packages/spack-config versions)
+      # are specified in https://github.com/ACCESS-NRI/build-ci/tree/v3/.github/workflows#inputs