diff --git a/modulefiles/GDAS/hera.lua b/modulefiles/GDAS/hera.lua
index c88e64040..252127613 100644
--- a/modulefiles/GDAS/hera.lua
+++ b/modulefiles/GDAS/hera.lua
@@ -6,7 +6,7 @@ local pkgName    = myModuleName()
 local pkgVersion = myModuleVersion()
 local pkgNameVer = myModuleFullName()
 
-prepend_path("MODULEPATH", '/scratch1/NCEPDEV/nems/role.epic/spack-stack/spack-stack-1.5.1/envs/unified-env/install/modulefiles/Core')
+prepend_path("MODULEPATH", '/scratch1/NCEPDEV/nems/role.epic/spack-stack/spack-stack-1.6.0/envs/unified-env/install/modulefiles/Core')
 prepend_path("MODULEPATH", '/scratch1/NCEPDEV/da/python/opt/modulefiles/stack')
 
 -- below two lines get us access to the spack-stack modules
@@ -15,40 +15,40 @@ load("stack-intel-oneapi-mpi/2021.5.1")
 -- JCSDA has 'jedi-fv3-env/unified-dev', but we should load these manually as needed
 load("cmake/3.23.1")
 load("gettext/0.19.8.1")
-load("libunistring/1.1")
-load("libidn2/2.3.4")
+--load("libunistring/1.1")
+--load("libidn2/2.3.4")
 load("pcre2/10.42")
-load("curl/7.29.0")
+load("curl/8.4.0")
 load("zlib/1.2.13")
-load("git/2.40.0")
+load("git/2.18.0")
 load("pkg-config/0.27.1")
 load("hdf5/1.14.0")
 load("parallel-netcdf/1.12.2")
 load("netcdf-c/4.9.2")
 load("nccmp/1.9.0.1")
-load("netcdf-fortran/4.6.0")
+load("netcdf-fortran/4.6.1")
 load("nco/5.0.6")
 load("parallelio/2.5.10")
 load("wget/1.14")
-load("boost/1.78.0")
+load("boost/1.83.0")
 load("bufr/12.0.1")
 load("git-lfs/2.10.0")
 load("ecbuild/3.7.2")
 load("openjpeg/2.3.1")
-load("eccodes/2.27.0")
+load("eccodes/2.32.0")
 load("eigen/3.4.0")
-load("openblas/0.3.19")
-load("eckit/1.24.4")
+load("openblas/0.3.24")
+load("eckit/1.24.5")
 load("fftw/3.3.10")
 load("fckit/0.11.0")
 load("fiat/1.2.0")
 load("ectrans/1.2.0")
-load("atlas/0.35.0")
-load("sp/2.3.3")
+load("atlas/0.35.1")
+load("sp/2.5.0")
 load("gsl-lite/0.37.0")
 load("libjpeg/2.1.0")
 load("krb5/1.15.1")
-load("libtirpc/1.2.6")
+load("libtirpc/1.3.3")
 load("hdf/4.2.15")
 load("jedi-cmake/1.4.0")
 load("libpng/1.6.37")
@@ -57,16 +57,16 @@ load("libxmu/1.1.4")
 load("libxpm/4.11.0")
 load("libxaw/1.0.13")
 load("udunits/2.2.28")
-load("ncview/2.1.8")
+load("ncview/2.1.9")
 load("netcdf-cxx4/4.3.1")
 load("json/3.10.5")
-load("py-pybind11/2.8.1")
+load("py-pybind11/2.11.0")
 --load("crtm/v2.4_jedi")
 load("rocoto/1.3.3")
 
 load("hpc/1.2.0")
-unload("python/3.10.8")
-unload("python/3.9.2")
+unload("python/3.10.13")
+unload("py-numpy/1.22.3")
 load("miniconda3/4.6.14")
 load("gdasapp/1.0.0")