diff --git a/modulefiles/gsiutils_hercules.lua b/modulefiles/gsiutils_hercules.lua
index 63b724a3..5b699911 100644
--- a/modulefiles/gsiutils_hercules.lua
+++ b/modulefiles/gsiutils_hercules.lua
@@ -1,7 +1,7 @@
 help([[
 ]])
 
-prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/hercules/spack-stack-1.6.0/envs/gsi-addon-dev/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/hercules/spack-stack-1.6.0/envs/gsi-addon-env/install/modulefiles/Core")
 
 local stack_python_ver=os.getenv("python_ver") or "3.11.6"
 local stack_intel_ver=os.getenv("stack_intel_ver") or "2021.9.0"
diff --git a/modulefiles/gsiutils_orion.lua b/modulefiles/gsiutils_orion.lua
index f0ea8f81..9f54b361 100644
--- a/modulefiles/gsiutils_orion.lua
+++ b/modulefiles/gsiutils_orion.lua
@@ -1,7 +1,7 @@
 help([[
 ]])
 
-prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/orion/spack-stack-1.6.0/envs/gsi-addon-dev/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/orion/spack-stack-1.6.0/envs/gsi-addon-env/install/modulefiles/Core")
 
 local stack_python_ver=os.getenv("python_ver") or "3.11.6"
 local stack_intel_ver=os.getenv("stack_intel_ver") or "2022.0.2"
diff --git a/modulefiles/gsiutils_s4.lua b/modulefiles/gsiutils_s4.lua
index 0efc5bb6..22640cfe 100644
--- a/modulefiles/gsiutils_s4.lua
+++ b/modulefiles/gsiutils_s4.lua
@@ -1,7 +1,7 @@
 help([[
 ]])
 
-prepend_path("MODULEPATH", "/data/prod/jedi/spack-stack/spack-stack-1.6.0/envs/gsi-addon-dev/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/data/prod/jedi/spack-stack/spack-stack-1.6.0/envs/gsi-addon-env/install/modulefiles/Core")
 
 local python_ver=os.getenv("python_ver") or "3.11.6"
 local stack_intel_ver=os.getenv("stack_intel_ver") or "2021.5.0"