diff --git a/.github/build-ci/data/standard.json b/.github/build-ci/data/standard.json
index 171d67f1d..43201a31a 100644
--- a/.github/build-ci/data/standard.json
+++ b/.github/build-ci/data/standard.json
@@ -2,18 +2,18 @@
   "intel_compiler": "intel@2021.10.0",
   "gcc_compiler": "gcc@13.2.0",
   "oneapi_compiler": "oneapi@2025.2.0",
-  "cice5_version_om2": "git.2025.03.001=access-om2",
-  "cice5_version_esm1p6": "git.access-esm1.6-2025.07.001=access-esm1.6",
-  "um_version_esm1p6": "git.access-esm1.6-2025.06.000=access-esm1.6",
-  "gcom4_version": "git.2024.05.28=access-esm1.5",
+  "cice5_version": "2026.01.000",
+  "um_version": "git.2026.02.000=access-esm1.6",
+  "cable_version": "2025.11.000",
+  "gcom4_version": "git.2025.08.000=access-esm1.5",
   "libaccessom2_version": "git.2025.05.001=access-om2",
-  "oasis3_mct_version_om2": "git.2025.03.001=access-om2",
-  "oasis3_mct_version_esm1p6": "git.access-esm1.5-2025.03.001=access-esm1.5",
+  "oasis3_mct_version_esm1p6": "5.2",
+  "oasis3_mct_version_om2": "git.2025.03.001=stable",
   "netcdf_c_version": "4.9.2",
   "netcdf_fortran_version": "4.6.1",
-  "parallelio_version": "2.6.2",
-  "openmpi_version": "5.0.5",
-  "access_fms_version": "git.mom5-2025.05.000=mom5",
-  "access_generic_tracers_version": "2025.07.002",
+  "parallelio_version": "2.6.8",
+  "openmpi_version": "5.0.8",
+  "access_fms_version": "git.mom5-2025.08.000=mom5",
+  "access_generic_tracers_version": "2026.01.000",
   "access_mocsy_version": "2025.07.002"
 }
diff --git a/.github/build-ci/manifests/pr/gcc_access-esm1.6.spack.yaml.j2 b/.github/build-ci/manifests/pr/gcc_access-esm1.6.spack.yaml.j2
new file mode 100644
index 000000000..83ef2d43e
--- /dev/null
+++ b/.github/build-ci/manifests/pr/gcc_access-esm1.6.spack.yaml.j2
@@ -0,0 +1,48 @@
+spack:
+  specs:
+  - 'access-esm1p6@latest cice=5'
+  packages:
+    mom5:
+      require:
+      - '@git.{{ ref }}=access-esm1.6'
+    cice5:
+      require:
+      - '@{{ cice5_version }}'
+      - 'nxglob=360 nyglob=300 blckx=30 blcky=300 mxblcks=1' # grid size and block size
+    um7:
+      require:
+      - '@{{ um_version }}'
+    cable:
+      require:
+      - '@{{ cable_version }}'
+      - library=access-esm1.6
+    gcom4:
+      require:
+      - '@{{ gcom4_version }}'
+    oasis3-mct:
+      require:
+      - '@{{ oasis3_mct_version_esm1p6 }}'
+    access-fms:
+      require:
+      - '@{{ access_fms_version }}'
+    access-generic-tracers:
+      require:
+      - '@{{ access_generic_tracers_version }}'
+    access-mocsy:
+      require:
+      - '@{{ access_mocsy_version }}'
+    netcdf-c:
+      require:
+      - '@{{ netcdf_c_version}}'
+    netcdf-fortran:
+      require:
+      - '@{{ netcdf_fortran_version }}'
+    openmpi:
+      require:
+      - '@{{ openmpi_version }}'
+    all:
+      require:
+      - '%{{ gcc_compiler }} target=x86_64'
+  concretizer:
+    unify: false
+  view: false
diff --git a/.github/build-ci/manifests/pr/gcc_access-om2.spack.yaml.j2 b/.github/build-ci/manifests/pr/gcc_access-om2.spack.yaml.j2
new file mode 100644
index 000000000..50a3d8b7f
--- /dev/null
+++ b/.github/build-ci/manifests/pr/gcc_access-om2.spack.yaml.j2
@@ -0,0 +1,45 @@
+spack:
+  specs:
+  - 'access-om2@latest'
+  packages:
+    mom5:
+      require:
+      - '@git.{{ ref }}=access-om2'
+    cice5:
+      require:
+      - '@{{ cice5_version }}'
+      - 'io_type=PIO build_system=cmake'
+      - 'nxglob=360 nyglob=300 blckx=15 blcky=300 mxblcks=1' # grid size and block size
+    libaccessom2:
+      require:
+      - '@{{ libaccessom2_version }}'
+    oasis3-mct:
+      require:
+      - '@{{ oasis3_mct_version_om2 }}'
+    access-fms:
+      require:
+      - '@{{ access_fms_version }}'
+    access-generic-tracers:
+      require:
+      - '@{{ access_generic_tracers_version }}'
+    access-mocsy:
+      require:
+      - '@{{ access_mocsy_version }}'
+    netcdf-c:
+      require:
+      - '@{{ netcdf_c_version}}'
+    netcdf-fortran:
+      require:
+      - '@{{ netcdf_fortran_version }}'
+    parallelio:
+      require:
+      - '@{{ parallelio_version }}'
+    openmpi:
+      require:
+      - '@{{ openmpi_version }}'
+    all:
+      require:
+      - '%{{ gcc_compiler }} target=x86_64'
+  concretizer:
+    unify: false
+  view: false
diff --git a/.github/build-ci/manifests/pr/intel_access-esm1.6.spack.yaml.j2 b/.github/build-ci/manifests/pr/intel_access-esm1.6.spack.yaml.j2
index c5ce4fe8e..a83ed2736 100644
--- a/.github/build-ci/manifests/pr/intel_access-esm1.6.spack.yaml.j2
+++ b/.github/build-ci/manifests/pr/intel_access-esm1.6.spack.yaml.j2
@@ -7,10 +7,15 @@ spack:
       - '@git.{{ ref }}=access-esm1.6'
     cice5:
       require:
-      - '@{{ cice5_version_esm1p6 }}'
+      - '@{{ cice5_version }}'
+      - 'nxglob=360 nyglob=300 blckx=30 blcky=300 mxblcks=1' # grid size and block size
     um7:
       require:
-      - '@{{ um_version_esm1p6 }}'
+      - '@{{ um_version }}'
+    cable:
+      require:
+      - '@{{ cable_version }}'
+      - library=access-esm1.6
     gcom4:
       require:
       - '@{{ gcom4_version }}'
diff --git a/.github/build-ci/manifests/pr/intel_access-om2.spack.yaml.j2 b/.github/build-ci/manifests/pr/intel_access-om2.spack.yaml.j2
index 50c2c1d44..1fc02ce82 100644
--- a/.github/build-ci/manifests/pr/intel_access-om2.spack.yaml.j2
+++ b/.github/build-ci/manifests/pr/intel_access-om2.spack.yaml.j2
@@ -7,7 +7,9 @@ spack:
       - '@git.{{ ref }}=access-om2'
     cice5:
       require:
-      - '@{{ cice5_version_om2 }}'
+      - '@{{ cice5_version }}'
+      - 'io_type=PIO build_system=cmake'
+      - 'nxglob=360 nyglob=300 blckx=15 blcky=300 mxblcks=1' # grid size and block size
     libaccessom2:
       require:
       - '@{{ libaccessom2_version }}'
@@ -35,12 +37,9 @@ spack:
     openmpi:
       require:
       - '@{{ openmpi_version }}'
-    gcc-runtime:
-      require:
-      - '%gcc'
     all:
       require:
-      - '%{{ oneapi_compiler }} target=x86_64'
+      - '%{{ intel_compiler }} target=x86_64'
   concretizer:
     unify: false
   view: false
diff --git a/.github/build-ci/manifests/pr/oneapi_access-esm1.6.spack.yaml.j2 b/.github/build-ci/manifests/pr/oneapi_access-esm1.6.spack.yaml.j2
index c5ce4fe8e..b483055b3 100644
--- a/.github/build-ci/manifests/pr/oneapi_access-esm1.6.spack.yaml.j2
+++ b/.github/build-ci/manifests/pr/oneapi_access-esm1.6.spack.yaml.j2
@@ -7,10 +7,15 @@ spack:
       - '@git.{{ ref }}=access-esm1.6'
     cice5:
       require:
-      - '@{{ cice5_version_esm1p6 }}'
+      - '@{{ cice5_version }}'
+      - 'nxglob=360 nyglob=300 blckx=30 blcky=300 mxblcks=1' # grid size and block size
     um7:
       require:
-      - '@{{ um_version_esm1p6 }}'
+      - '@{{ um_version }}'
+    cable:
+      require:
+      - '@{{ cable_version }}'
+      - library=access-esm1.6
     gcom4:
       require:
       - '@{{ gcom4_version }}'
@@ -35,9 +40,12 @@ spack:
     openmpi:
       require:
       - '@{{ openmpi_version }}'
+    gcc-runtime:
+      require:
+      - '%gcc'
     all:
       require:
-      - '%{{ intel_compiler }} target=x86_64'
+      - '%{{ oneapi_compiler }} target=x86_64'
   concretizer:
     unify: false
   view: false
diff --git a/.github/build-ci/manifests/pr/oneapi_access-om2.spack.yaml.j2 b/.github/build-ci/manifests/pr/oneapi_access-om2.spack.yaml.j2
index 50c2c1d44..7c5f885e5 100644
--- a/.github/build-ci/manifests/pr/oneapi_access-om2.spack.yaml.j2
+++ b/.github/build-ci/manifests/pr/oneapi_access-om2.spack.yaml.j2
@@ -7,7 +7,9 @@ spack:
       - '@git.{{ ref }}=access-om2'
     cice5:
       require:
-      - '@{{ cice5_version_om2 }}'
+      - '@{{ cice5_version }}'
+      - 'io_type=PIO build_system=cmake'
+      - 'nxglob=360 nyglob=300 blckx=15 blcky=300 mxblcks=1' # grid size and block size
     libaccessom2:
       require:
       - '@{{ libaccessom2_version }}'
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f0c3a174..0030cacce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,6 +29,9 @@ jobs:
       max-parallel: 4
       matrix:
         file: ${{ fromJson(needs.pre-ci.outputs.matrix) }}
+        exclude:
+        # TODO: Remove this exclusion once https://github.com/ACCESS-NRI/GCOM4/issues/15 is fixed
+        - file: .github/build-ci/manifests/pr/gcc_access-esm1.6.spack.yaml.j2
     uses: access-nri/build-ci/.github/workflows/ci.yml@v2
     with:
       spack-manifest-path: ${{ matrix.file }}