diff --git a/SPECS/hello_world_demo/hello_world_demo.spec b/SPECS/hello_world_demo/hello_world_demo.spec
index 6ca6aac..c816241 100644
--- a/SPECS/hello_world_demo/hello_world_demo.spec
+++ b/SPECS/hello_world_demo/hello_world_demo.spec
@@ -10,6 +10,8 @@ Distribution:   Mariner
 Source0:        http://dev.azure.com/mariner-org/mariner/_git/samples/%{name}-%{version}.tar.gz
 
 BuildRequires: gcc
+# add non toolchain pkg as build requires (for testing purpose)
+BuildRequires: words
 
 %description
 A simple hello-world application
diff --git a/imageconfigs/demo_package_lists/core-packages.json b/imageconfigs/demo_package_lists/core-packages.json
index 1a131f0..b533827 100644
--- a/imageconfigs/demo_package_lists/core-packages.json
+++ b/imageconfigs/demo_package_lists/core-packages.json
@@ -1,6 +1,7 @@
 {
     "packages": [
         "core-packages-base-image",
+        "shadow-utils",
         "initramfs"
     ],
     "_comment": "Install 'initramfs' last to avoid unnecessary regeneration when other packages, such as 'kernel', are installed."
diff --git a/imageconfigs/demo_package_lists/uefi-bootloader-packages.json b/imageconfigs/demo_package_lists/uefi-bootloader-packages.json
index 5d56c17..d68cc1a 100644
--- a/imageconfigs/demo_package_lists/uefi-bootloader-packages.json
+++ b/imageconfigs/demo_package_lists/uefi-bootloader-packages.json
@@ -1,6 +1,8 @@
 {
     "packages": [
         "grub2-efi-binary",
+        "grub2",
+        "ca-certificates",
         "shim-unsigned"
     ]
 }