diff --git a/modulefiles/ufs_hercules.intelllvm.lua b/modulefiles/ufs_hercules.intelllvm.lua
index 09003e7bb7..bfd19a44c2 100644
--- a/modulefiles/ufs_hercules.intelllvm.lua
+++ b/modulefiles/ufs_hercules.intelllvm.lua
@@ -2,7 +2,7 @@ help([[
 loads UFS Model prerequisites for Hercules/IntelLLVM
 ]])
 
-prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/hercules/spack-stack-1.5.1/envs/unified-env/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/hercules/spack-stack-1.6.0/envs/unified-env/install/modulefiles/Core")
 
 stack_intel_ver=os.getenv("stack_intel_ver") or "2021.9.0"
 load(pathJoin("stack-intel", stack_intel_ver))