diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8a9dc3b7..133d5ef48 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -89,7 +89,11 @@ if(BUILD_POSTEXEC)
     find_package(nemsio REQUIRED)
     find_package(sigio REQUIRED)
   endif()
-  find_package(sp REQUIRED)
+  find_package(sp QUIET)
+  find_package(ip 5.0 QUIET)
+  if((NOT ip_VERSION VERSION_GREATER_EQUAL 5.0) AND (NOT sp_FOUND))
+    message(SEND_ERROR "UPP requires sp or ip v5+.")
+  endif()
   find_package(w3emc REQUIRED)
   if(BUILD_WITH_WRFIO)
     find_package(wrf_io REQUIRED)
diff --git a/README.md b/README.md
index 291765289..0f63f496f 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,6 @@ Required NCEPLIBS packages:
 
 - [NCEPLIBS-g2](https://github.com/NOAA-EMC/NCEPLIBS-g2)
 - [NCEPLIBS-g2tmpl](https://github.com/NOAA-EMC/NCEPLIBS-g2tmpl)
-- [NCEPLIBS-sp](https://github.com/NOAA-EMC/NCEPLIBS-sp)
 - [NCEPLIBS-ip](https://github.com/NOAA-EMC/NCEPLIBS-ip)
 - [NCEPLIBS-bacio](https://github.com/NOAA-EMC/NCEPLIBS-bacio)
 - [NCEPLIBS-w3emc](https://github.com/NOAA-EMC/NCEPLIBS-w3emc)
@@ -135,4 +134,4 @@ States Government.
 
 ## UPP Terms of Use Notice
 
-The UPP Terms of Use Notice is available at: https://github.com/NOAA-EMC/UPP/wiki/UPP-Terms-of-Use-Notice
\ No newline at end of file
+The UPP Terms of Use Notice is available at: https://github.com/NOAA-EMC/UPP/wiki/UPP-Terms-of-Use-Notice
diff --git a/ci/spack.yaml b/ci/spack.yaml
index 4f3714ed1..672d18068 100644
--- a/ci/spack.yaml
+++ b/ci/spack.yaml
@@ -12,8 +12,7 @@ spack:
   - w3emc@2.10.0
   - g2@3.5.1
   - g2tmpl@1.13.0
-  - sp@2.5.0
-  - ip@4.3.0
+  - ip@5.0.0
   - sigio@2.3.2
   - sfcio@1.4.1
   - nemsio@2.5.4
diff --git a/doc/UserGuide/BuildingRunningTesting/BuildingUPP.rst b/doc/UserGuide/BuildingRunningTesting/BuildingUPP.rst
index ca11fa689..b18d29ef2 100644
--- a/doc/UserGuide/BuildingRunningTesting/BuildingUPP.rst
+++ b/doc/UserGuide/BuildingRunningTesting/BuildingUPP.rst
@@ -31,7 +31,7 @@ the instructions in the :doc:`spack-stack User's Guide <spack-stack:index>`.
 Common Modules
 ----------------
 
-As of February 1, 2024, the UPP uses the following `common modules <https://github.com/NOAA-EMC/UPP/blob/develop/modulefiles/upp_common.lua>`__ from spack-stack: 
+As of October 2024, the UPP uses the following `common modules <https://github.com/NOAA-EMC/UPP/blob/develop/modulefiles/upp_common.lua>`__ from spack-stack: 
 
 .. code-block:: console
 
@@ -46,8 +46,7 @@ As of February 1, 2024, the UPP uses the following `common modules <https://gith
    g2tmpl 1.10.2
    parallelio 2.5.10
    bacio 2.4.1
-   ip 4.3.0
-   sp 2.5.0
+   ip 5.0.0
    crtm 2.4.0.1
    w3emc 2.10.0
    nemsio 2.5.4
diff --git a/modulefiles/gaeac5.lua b/modulefiles/gaeac5.lua
index fd5d80df7..d3d4d7c5f 100644
--- a/modulefiles/gaeac5.lua
+++ b/modulefiles/gaeac5.lua
@@ -5,7 +5,7 @@ help([[
 
 whatis([===[Loads libraries needed for building the UPP on Gaea C5 ]===])
 
-prepend_path("MODULEPATH", "/autofs/ncrc-svm1_proj/epic/spack-stack/spack-stack-1.6.0/envs/upp-addon-env/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/ncrc/proj/epic/spack-stack/spack-stack-1.8.0/envs/ue-intel-2021.9.0/install/modulefiles/Core")
 
 stack_intel_ver=os.getenv("stack_intel_ver") or "2023.2.0"
 load(pathJoin("stack-intel", stack_intel_ver))
@@ -13,7 +13,7 @@ load(pathJoin("stack-intel", stack_intel_ver))
 stack_cray_mpich_ver=os.getenv("stack_cray_mpich_ver") or "8.1.28"
 load(pathJoin("stack-cray-mpich", stack_cray_mpich_ver))
 
-cmake_ver=os.getenv("cmake_ver") or "3.23.1"
+cmake_ver=os.getenv("cmake_ver") or "3.27.9"
 load(pathJoin("cmake", cmake_ver))
 
 load("upp_common")
diff --git a/modulefiles/hera.lua b/modulefiles/hera.lua
index ea0bccdf4..4f0f90fbf 100644
--- a/modulefiles/hera.lua
+++ b/modulefiles/hera.lua
@@ -3,7 +3,7 @@ Load environment to build UPP on hera
 ]])
 
 
-prepend_path("MODULEPATH", "/scratch1/NCEPDEV/nems/role.epic/spack-stack/spack-stack-1.6.0/envs/upp-addon-env/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/contrib/spack-stack/spack-stack-1.8.0/envs/ue-intel-2021.5.0/install/modulefiles/Core")
 
 stack_intel_ver=os.getenv("stack_intel_ver") or "2021.5.0"
 load(pathJoin("stack-intel", stack_intel_ver))
@@ -11,7 +11,7 @@ load(pathJoin("stack-intel", stack_intel_ver))
 stack_impi_ver=os.getenv("stack_impi_ver") or "2021.5.1"
 load(pathJoin("stack-intel-oneapi-mpi", stack_impi_ver))
 
-cmake_ver=os.getenv("cmake_ver") or "3.23.1"
+cmake_ver=os.getenv("cmake_ver") or "3.27.9"
 load(pathJoin("cmake", cmake_ver))
 
 load("upp_common")
diff --git a/modulefiles/hercules.lua b/modulefiles/hercules.lua
index 2f42f5a79..d465b55ed 100644
--- a/modulefiles/hercules.lua
+++ b/modulefiles/hercules.lua
@@ -3,7 +3,7 @@ Load environment to build UPP on hecules
 ]])
 
 
-prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/hercules/spack-stack-1.6.0/envs/upp-addon-env/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/hercules/spack-stack-1.8.0/envs/test1/install/modulefiles/Core")
 
 stack_intel_ver=os.getenv("stack_intel_ver") or "2021.9.0"
 load(pathJoin("stack-intel", stack_intel_ver))
@@ -11,7 +11,7 @@ load(pathJoin("stack-intel", stack_intel_ver))
 stack_impi_ver=os.getenv("stack_impi_ver") or "2021.9.0"
 load(pathJoin("stack-intel-oneapi-mpi", stack_impi_ver))
 
-cmake_ver=os.getenv("cmake_ver") or "3.23.1"
+cmake_ver=os.getenv("cmake_ver") or "3.27.9"
 load(pathJoin("cmake", cmake_ver))
 
 python_ver=os.getenv("python_ver") or "3.10.8"
diff --git a/modulefiles/orion.lua b/modulefiles/orion.lua
index 372949fcb..cb817c2cf 100644
--- a/modulefiles/orion.lua
+++ b/modulefiles/orion.lua
@@ -3,7 +3,7 @@ Load environment to build UPP on orion
 ]])
 
 
-prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/orion/spack-stack-1.6.0/envs/upp-addon-env/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/orion/spack-stack-1.8.0/envs/ue-intel-2021.9.0/install/modulefiles/Core")
 
 stack_intel_ver=os.getenv("stack_intel_ver") or "2021.9.0"
 load(pathJoin("stack-intel", stack_intel_ver))
@@ -11,7 +11,7 @@ load(pathJoin("stack-intel", stack_intel_ver))
 stack_impi_ver=os.getenv("stack_impi_ver") or "2021.9.0"
 load(pathJoin("stack-intel-oneapi-mpi", stack_impi_ver))
 
-cmake_ver=os.getenv("cmake_ver") or "3.23.1"
+cmake_ver=os.getenv("cmake_ver") or "3.27.9"
 load(pathJoin("cmake", cmake_ver))
 
 python_ver=os.getenv("python_ver") or "3.10.8"
diff --git a/modulefiles/upp_common.lua b/modulefiles/upp_common.lua
index 3f1664176..2dd5269b7 100644
--- a/modulefiles/upp_common.lua
+++ b/modulefiles/upp_common.lua
@@ -3,22 +3,21 @@ whatis("Description: UPP build environment common libraries")
 help([[Load UFS Model common libraries]])
 
 local ufs_modules = {
-  {["jasper"]          = "2.0.32"},
-  {["zlib"]            = "1.2.13"},
-  {["libpng"]          = "1.6.37"},
-  {["hdf5"]            = "1.14.0"},
-  {["netcdf-c"]        = "4.9.2"},
-  {["netcdf-fortran"]  = "4.6.1"},
-  {["bacio"]           = "2.4.1"},
+  {["jasper"]          = "2.0.32" },
+  {["zlib-ng"]         = "2.1.6"  },
+  {["libpng"]          = "1.6.37" },
+  {["hdf5"]            = "1.14.3" },
+  {["netcdf-c"]        = "4.9.2"  },
+  {["netcdf-fortran"]  = "4.6.1"  },
+  {["bacio"]           = "2.4.1"  },
   {["crtm"]            = "2.4.0.1"},
-  {["g2"]              = "3.5.1"},
-  {["g2tmpl"]          = "1.13.0"},
-  {["ip"]              = "4.3.0"},
-  {["sp"]              = "2.5.0"},
-  {["w3emc"]           = "2.10.0"},
-  {["nemsio"]          = "2.5.4"},
-  {["sigio"]           = "2.3.2"},
-  {["wrf-io"]          = "1.2.0"},
+  {["g2"]              = "3.5.1"  },
+  {["g2tmpl"]          = "1.13.0" },
+  {["ip"]              = "5.0.0"  },
+  {["w3emc"]           = "2.10.0" },
+  {["nemsio"]          = "2.5.4"  },
+  {["sigio"]           = "2.3.2"  },
+  {["wrf-io"]          = "1.2.0"  },
 }
 
 for i = 1, #ufs_modules do
diff --git a/sorc/ncep_post.fd/CMakeLists.txt b/sorc/ncep_post.fd/CMakeLists.txt
index 5dad96ae1..42bdece4e 100644
--- a/sorc/ncep_post.fd/CMakeLists.txt
+++ b/sorc/ncep_post.fd/CMakeLists.txt
@@ -242,10 +242,18 @@ endif()
 
 if(BUILD_POSTEXEC)
   add_executable(${EXENAME} ${EXE_SRC})
+  if(ip_FOUND)
+    set(sp_target ip::ip_4)
+    if(ip_VERSION VERSION_GREATER_EQUAL 5.1)
+      target_compile_definitions(${EXENAME} PRIVATE USE_SP_MOD=1)
+    endif()
+  else()
+    set(sp_target sp::sp_4)
+  endif()
   target_link_libraries(${EXENAME} PRIVATE
     ${LIBNAME}
     w3emc::w3emc_4
-    sp::sp_4)
+    ${sp_target})
   set_target_properties(${EXENAME} PROPERTIES LINKER_LANGUAGE Fortran)
   if(IFI_FOUND)
     target_link_libraries(${EXENAME} PRIVATE IFI)
diff --git a/sorc/ncep_post.fd/GFSPOSTSIG.F b/sorc/ncep_post.fd/GFSPOSTSIG.F
index c703eef0a..e0ef93587 100644
--- a/sorc/ncep_post.fd/GFSPOSTSIG.F
+++ b/sorc/ncep_post.fd/GFSPOSTSIG.F
@@ -48,6 +48,9 @@ subroutine rtsig(lusig,head,k1,k2,kgds,ijo,levs,ntrac,jcap,lnt2,me,     &
   use sigio_module,   only : sigio_intkind, sigio_head
   use sigio_r_module, only : sigio_dati, sigio_rrdati
   use physcons_post,       only : con_omega, con_fvirt
+#ifdef USE_SP_MOD
+  use sp_mod, only : sptezd, sptezm, sptezmv
+#endif
   use omp_lib
   implicit none
   integer(sigio_intkind),intent(in)    :: lusig
@@ -131,7 +134,11 @@ subroutine rtsig(lusig,head,k1,k2,kgds,ijo,levs,ntrac,jcap,lnt2,me,     &
   endif
   if (allocated(wrk)) deallocate(wrk)
 
+#ifdef USE_SP_MOD
+  call sptezd(0,jcap,idrt,io,jo,trisca(1,k1+1),(/pmean/),px,py,1)
+#else
   call sptezd(0,jcap,idrt,io,jo,trisca(1,k1+1),pmean,px,py,1)
+#endif
   iret = 0
 
 ! if (k2 < k1) return
@@ -449,6 +456,9 @@ subroutine trssc(jcap,nc,km,ntrac,idvc,idvm,idsl,nvcoord,vcoord,     &
                        cpi,idrt,lonb,latb,ijl,ijn,j1,j2,jc,chgq0,          &
                        szs,sps,st,sd,sz,sq,gfszs,gfsps,gfsp,gfsdp,         &
                        gfst,gfsu,gfsv,gfsq,gfsw)
+#ifdef USE_SP_MOD
+      use sp_mod, only : sptran, sptranv
+#endif
       implicit none
       integer,intent(in)::jcap,nc,km,ntrac,idvc,idvm,idsl,nvcoord,idrt,lonb,latb
       integer,intent(in)::ijl,ijn,j1,j2,jc,chgq0
@@ -641,6 +651,9 @@ subroutine getomega(jcap,nc,km,idvc,idvm,idrt,idsl,nvcoord,vcoord,  &
             lonb,latb,ijn,j1,j2,jc,sd,sps,psi,ti,ui,vi,wi,pm,pd)
 !!!!!
       use sigio_module, only : sigio_modprd
+#ifdef USE_SP_MOD
+      use sp_mod, only : sptran, sptrand
+#endif
       implicit none
 
       integer,intent(in):: jcap,nc,km,idvc,idvm,idrt,idsl,nvcoord
@@ -660,8 +673,13 @@ subroutine getomega(jcap,nc,km,idvc,idvm,idrt,idsl,nvcoord,vcoord,  &
       ij=lonb2*(j2-j1+1)
       in=1
       is=1+lonb
+#ifdef USE_SP_MOD
+      call sptrand(0,jcap,idrt,lonb,latb,1,1,1,lonb2,lonb2,nc,ijn,    &
+           j1,j2,jc,sps,(/real(psmean,4)/),psx(in),psx(is),psy(in),psy(is),1)
+#else
       call sptrand(0,jcap,idrt,lonb,latb,1,1,1,lonb2,lonb2,nc,ijn,    &
            j1,j2,jc,sps,psmean,psx(in),psx(is),psy(in),psy(is),1)
+#endif
 
       call sptran(0,jcap,idrt,lonb,latb,km,1,1,lonb2,lonb2,nc,ijn,    &
                   j1,j2,jc,sd,di(in,1),di(is,1),1)