diff --git a/Earthfile b/Earthfile
index 32f4b92..167c8b3 100644
--- a/Earthfile
+++ b/Earthfile
@@ -9,7 +9,7 @@ ARG IMAGE_REPO=$OS_DISTRIBUTION
 ARG K8S_DISTRIBUTION
 ARG CUSTOM_TAG
 ARG ARCH
-ARG PE_VERSION=v4.0.4
+ARG PE_VERSION=v4.0.6
 ARG SPECTRO_LUET_VERSION=v1.1.5
 ARG KAIROS_VERSION=v2.3.2
 ARG K3S_FLAVOR_TAG=k3s1
@@ -38,7 +38,7 @@ ELSE IF [ "$OS_DISTRIBUTION" = "opensuse-leap" ] && [ "$BASE_IMAGE" = "" ]
     ARG BASE_IMAGE_NAME=core-$OS_DISTRIBUTION  
     ARG BASE_IMAGE_TAG=core-$OS_DISTRIBUTION:$KAIROS_VERSION
     ARG BASE_IMAGE=$BASE_IMAGE_URL/$BASE_IMAGE_TAG
-ELSE IF [ "$OS_DISTRIBUTION" = "rhel" ]
+ELSE IF [ "$OS_DISTRIBUTION" = "rhel" ] || [ "$OS_DISTRIBUTION" = "sles" ]
     # Check for default value for rhel
     ARG BASE_IMAGE
 END
@@ -270,7 +270,7 @@ base-image:
             zypper clean
     END
 
-    IF [ "$OS_DISTRIBUTION" = "opensuse-leap" ]
+    IF [ "$OS_DISTRIBUTION" = "opensuse-leap" ] || [ "$OS_DISTRIBUTION" = "sles" ]
         RUN zypper install -y apparmor-parser apparmor-profiles
         RUN zypper cc && \
             zypper clean
diff --git a/README.md b/README.md
index c1e18f0..3d0c36d 100644
--- a/README.md
+++ b/README.md
@@ -114,9 +114,9 @@ Skip this step if your base image is ubuntu or opensuse-leap. If you are buildin
 |------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------------|
 | CUSTOM_TAG       | Environment name for provider image tagging. The default value is `demo`.                                                                                                                                                                                                                                                                      | String | `demo`                  |
 | IMAGE_REGISTRY   | Image registry name that will store the image artifacts. The default value points to the *ttl.sh* image registry, an anonymous and ephemeral Docker image registry where images live for a maximum of 24 hours by default. If you wish to make the images exist longer than 24 hours, you can use any other image registry to suit your needs. | String | `ttl.sh`                |
-| OS_DISTRIBUTION  | OS distribution of your choice. For example, it can be `ubuntu` or `opensuse-leap`.                                                                                                                                                                                                                                                            | String | `ubuntu`                |
+| OS_DISTRIBUTION  | OS distribution of your choice. For example, it can be `ubuntu`, `opensuse-leap`, `rhel` or `sles`                                                                                                                                                                                                                                             | String | `ubuntu`                |
 | IMAGE_REPO       | Image repository name in your chosen registry.                                                                                                                                                                                                                                                                                                 | String | `$OS_DISTRIBUTION`      |
-| OS_VERSION       | OS version. For Ubuntu, the possible values are `20`, and `22`. Whereas for openSUSE Leap, the possible value is `15.4`. This example uses `22` for Ubuntu.                                                                                                                                                                                    | String | `22`                    |
+| OS_VERSION       | OS version. For Ubuntu, the possible values are `20`, and `22`. Whereas for openSUSE Leap, the possible value is `15.4`.  For sles, possible values are `5.4`. This example uses `22` for Ubuntu.                                                                                                                                              | String | `22`                    |
 | K8S_DISTRIBUTION | Kubernetes distribution name. It can be one of these: `k3s`, `rke2`, `kubeadm`, or `kubeadm-fips`.                                                                                                                                                                                                                                             | String | `k3s`                   |
 | ISO_NAME         | Name of the Edge installer ISO image. In this example, the name is *palette-edge-installer*.                                                                                                                                                                                                                                                   | String | `palette-edge-installer`|
 | ARCH             | Type of platform to use for the build.  Used for Cross Platform Build (arm64 to amd64 as example).                                                                                                                                                                                                                                             | string |  `amd64`                |