diff --git a/modulefiles/prepobs_gaea.lua b/modulefiles/prepobs_gaea.lua
new file mode 100644
index 0000000..33f7175
--- /dev/null
+++ b/modulefiles/prepobs_gaea.lua
@@ -0,0 +1,18 @@
+help([[
+Load environment to build prepobs on Gaea
+]])
+
+prepend_path("MODULEPATH", os.getenv("spack_stack_mod_path"))
+
+stack_intel_ver=os.getenv("stack_intel_ver") or "2023.1.0"
+stack_cray_mpich_ver=os.getenv("stack_cray_mpich_ver") or "8.1.25"
+cmake_ver=os.getenv("cmake_ver") or "3.23.1"
+
+load(pathJoin("stack-intel", stack_intel_ver))
+load(pathJoin("stack-cray-mpich", stack_cray_mpich_ver))
+load(pathJoin("cmake", cmake_ver))
+
+-- Load common modules for this package
+load("prepobs_common")
+
+whatis("Description: prepobs build environment")
diff --git a/ush/build.sh b/ush/build.sh
index 5201c25..72daa4f 100755
--- a/ush/build.sh
+++ b/ush/build.sh
@@ -10,7 +10,7 @@ INSTALL_PREFIX=${INSTALL_PREFIX:-"${pkg_root}/install"}
 MODULEFILE_INSTALL_PREFIX=${MODULEFILE_INSTALL_PREFIX:-"${INSTALL_PREFIX}/modulefiles"}
 
 target="${INSTALL_TARGET,,}"
-if [[ "${target}" =~ ^(wcoss2|hera|orion|jet|hercules)$ ]]; then
+if [[ "${target}" =~ ^(wcoss2|hera|orion|jet|hercules|gaea)$ ]]; then
   # prepare the target specific build.ver and run.ver
   cd "${pkg_root}/versions" || exit 1
   rm -f build.ver run.ver
diff --git a/versions/build.gaea.ver b/versions/build.gaea.ver
new file mode 100644
index 0000000..2303aa4
--- /dev/null
+++ b/versions/build.gaea.ver
@@ -0,0 +1,4 @@
+export stack_intel_ver=2023.1.0
+export stack_cray_mpich_ver=8.1.25
+source "${HOMEprepobs:-}/versions/spack.ver"
+export spack_stack_mod_path="/ncrc/proj/epic/spack-stack/spack-stack-${spack_stack_ver}/envs/${spack_env}-dev/install/modulefiles/Core"
diff --git a/versions/run.gaea.ver b/versions/run.gaea.ver
new file mode 100644
index 0000000..2303aa4
--- /dev/null
+++ b/versions/run.gaea.ver
@@ -0,0 +1,4 @@
+export stack_intel_ver=2023.1.0
+export stack_cray_mpich_ver=8.1.25
+source "${HOMEprepobs:-}/versions/spack.ver"
+export spack_stack_mod_path="/ncrc/proj/epic/spack-stack/spack-stack-${spack_stack_ver}/envs/${spack_env}-dev/install/modulefiles/Core"