diff --git a/spack.yaml b/spack.yaml
index 651de28a..da758af2 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -20,46 +20,65 @@ spack:
     # Main Dependencies
     access3:
       require:
-      - '@2026.03.002'
-      - configurations=MOM6,MOM6-CICE6,MOM6-CICE6-WW3
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
-      - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - '@2025.08.000'
+        - configurations=MOM6,MOM6-CICE6,MOM6-CICE6-WW3
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto -fuse-ld=lld"'
     access-cice:
       require:
-      - '@CICE6.6.3-2'
-      - io_type=PIO
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
-      - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - '@CICE6.6.1-0'
+        - io_type=PIO
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3"'
+        - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3"'
     access-mom6:
       require:
-      - '@2026.05.003'
-      - +mom6_solo
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
-      - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - '@git.851c39cb89629793cfb16c3c71d88b5d3ba526c6=2025.02.001'
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto -fuse-ld=lld"'
     access-ww3:
       require:
       - '@2026.03.001'
     access3-share:
       require:
-      - '@2026.03.002'
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
-      - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - '@2025.08.000'
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto -fuse-ld=lld"'
     access-generic-tracers:
       require:
-      - '@2026.09.000'
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - '@2025.08.000'
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto -fuse-ld=lld"'
     access-mocsy:
       require:
-      - '@2025.07.002'
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
-      - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - '@2025.07.002'
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto -fuse-ld=lld"'
     # Other Dependencies
+    # esmf:
+    #   require:
+    #     - '@8.7.0'
+        # - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        # - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        # - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        # - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto -fuse-ld=lld"'
     esmf:
       require:
-      - '@8.9.1'
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -traceback"'
-      - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -fno-omit-frame-pointer"'
-      - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -fno-omit-frame-pointer"'
+        - '@git.v8.8.0=8.8.0'
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
     parallelio:
       require:
       - '@2.6.8'
@@ -75,10 +94,12 @@ spack:
       - '@4.6.2'
     fms:
       require:
-      - '@2025.03'
-      - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
-      - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
-      - 'cppflags="-DMAXFIELDMETHODS_=600"'
+        - '@2025.03'
+        - 'cppflags="-DMAXFIELDMETHODS_=600"'
+        - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'cxxflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto"'
+        - 'ldflags="-march=sapphirerapids -mtune=sapphirerapids -unroll -O3 -flto -fuse-ld=lld"'
     openmpi:
       require:
       - '@4.1.7'