diff --git a/configs/sites/tier1/nautilus/compilers.yaml b/configs/sites/tier1/nautilus/compilers.yaml
index aff3f05dd..147614a13 100644
--- a/configs/sites/tier1/nautilus/compilers.yaml
+++ b/configs/sites/tier1/nautilus/compilers.yaml
@@ -59,6 +59,31 @@ compilers:
       append_path:
         CPATH: '/p/app/projects/NEPTUNE/spack-stack/oneapi-2024.2.1/compiler/2024.2/opt/compiler/include/intel64'
     extra_rpaths: []
+#- compiler:
+#    spec: oneapi@2025.0.0
+#    paths:
+#      cc: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0/compiler/2025.0/bin/icx
+#      cxx: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0/compiler/2025.0/bin/icpx
+#      f77: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0/compiler/2025.0/bin/ifx
+#      fc: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0/compiler/2025.0/bin/ifx
+#    flags: {}
+#    operating_system: rhel8
+#    target: x86_64
+#    modules:
+#    - slurm
+#    - tbb/2022.0
+#    - compiler-rt/2025.0.0
+#    - umf/0.9.0
+#    - compiler-intel-llvm/2025.0.0
+#    environment:
+#      prepend_path:
+#        PATH: '/opt/rh/gcc-toolset-11/root/usr/bin'
+#        CPATH: '/opt/rh/gcc-toolset-11/root/usr/include'
+#        LD_LIBRARY_PATH: '/opt/scyld/slurm/lib64:/opt/scyld/slurm/lib64/slurm:/opt/rh/gcc-toolset-11/root/usr/lib64:/opt/rh/gcc-toolset-11/root/usr/lib'
+#        MODULEPATH: '/p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0/modulefiles'
+#      append_path:
+#        CPATH: '/p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0/compiler/2025.0/opt/compiler/include/intel64'
+#    extra_rpaths: []
 - compiler:
     spec: gcc@12.2.1
     paths:
diff --git a/configs/sites/tier1/nautilus/packages_oneapi.yaml b/configs/sites/tier1/nautilus/packages_oneapi.yaml
index 53254442f..263c72bf9 100644
--- a/configs/sites/tier1/nautilus/packages_oneapi.yaml
+++ b/configs/sites/tier1/nautilus/packages_oneapi.yaml
@@ -1,8 +1,10 @@
 packages:
   all:
     compiler:: [oneapi@2024.2.1,gcc@11.2.1]
+    #compiler:: [oneapi@2025.0.0, gcc@11.2.1]
     providers:
       mpi:: [intel-oneapi-mpi@2021.13]
+      #mpi:: [intel-oneapi-mpi@2021.14]
   mpi:
     buildable: False
   intel-oneapi-mpi:
@@ -11,18 +13,30 @@ packages:
       prefix: /p/app/projects/NEPTUNE/spack-stack/oneapi-2024.2.1
       modules:
       - mpi/2021.13
+    #- spec: intel-oneapi-mpi@2021.14%oneapi@2025.0.0
+    #  prefix: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0
+    #  modules:
+    #  - mpi/2021.14
   intel-oneapi-mkl:
     externals:
     - spec: intel-oneapi-mkl@2024.2%oneapi@2024.2.1
       prefix: /p/app/projects/NEPTUNE/spack-stack/oneapi-2024.2.1
       modules:
       - mkl/2024.2
+    #- spec: intel-oneapi-mkl@2025.0%oneapi@2025.0.0
+    #  prefix: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0
+    #  modules:
+    #  - mkl/2025.0
   intel-oneapi-tbb:
     externals:
     - spec: intel-oneapi-tbb@2021.13%oneapi@2024.2.1
       prefix: /p/app/projects/NEPTUNE/spack-stack/oneapi-2024.2.1
       modules:
       - tbb/2021.13
+    #- spec: intel-oneapi-tbb@2022.0%oneapi@2025.0.0
+    #  prefix: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0
+    #  modules:
+    #  - tbb/2022.0
   intel-oneapi-runtime:
     externals:
     - spec: intel-oneapi-runtime@2024.2.1%oneapi@2024.2.1
@@ -30,3 +44,8 @@ packages:
       modules:
       - tbb/2021.13
       - compiler-rt/2024.2.1
+    #- spec: intel-oneapi-runtime@2025.0.0%oneapi@2025.0.0
+    #  prefix: /p/app/projects/NEPTUNE/spack-stack/oneapi-2025.0.0
+    #  modules:
+    #  - tbb/2022.0
+    #  - compiler-rt/2025.0.0
diff --git a/spack b/spack
index b6ef265ec..b274d591f 160000
--- a/spack
+++ b/spack
@@ -1 +1 @@
-Subproject commit b6ef265ec4582ddca131534a9d314e233919ae69
+Subproject commit b274d591fc82d38609124e3fe6f8ef1753357947