diff --git a/assets/build-image/ubuntu_22_04/Dockerfile b/assets/build-image/ubuntu_22_04/Dockerfile
index b87d80c..5fdf5f5 100644
--- a/assets/build-image/ubuntu_22_04/Dockerfile
+++ b/assets/build-image/ubuntu_22_04/Dockerfile
@@ -25,7 +25,7 @@ RUN unzip /tmp/awscliv2.zip -d /tmp
 RUN /tmp/aws/install
 
 # install kas tool
-RUN pip3 install PyYAML==5.3.1 && pip3 install kas==3.0.2
+RUN pip3 install PyYAML==5.3.1 && pip3 install kas==4.0.0
 
 RUN locale-gen en_US.UTF-8
 
diff --git a/lib/constructs/source-repo.ts b/lib/constructs/source-repo.ts
index d5acbbf..eea3524 100644
--- a/lib/constructs/source-repo.ts
+++ b/lib/constructs/source-repo.ts
@@ -14,6 +14,8 @@ export enum ProjectKind {
   MetaAwsDemo = 'meta-aws-demo',
   /** Build an EC2 AMI */
   PokyAmi = 'poky-ami',
+  /** Build an kas based poky */
+  PokyKas = 'poky-kas',
 }
 
 export interface SourceRepoProps extends cdk.StackProps {
diff --git a/source-repo/poky-kas/build.buildspec.yml b/source-repo/poky-kas/build.buildspec.yml
new file mode 100644
index 0000000..60a8ef8
--- /dev/null
+++ b/source-repo/poky-kas/build.buildspec.yml
@@ -0,0 +1,35 @@
+version: 0.2
+run-as: yoctouser
+
+env:
+  shell: bash
+
+phases:
+  pre_build:
+    run-as: root
+    commands:
+      - chown -R yoctouser /sstate-cache
+      - chown -R yoctouser /downloads
+      - chown yoctouser /build-output
+      - chmod 755 /sstate-cache
+      - chmod 755 /downloads
+      - chmod 755 /build-output
+  build:
+    commands:
+      - echo Build started on `date`
+      - export KAS_WORK_DIR=$TMP_DIR
+      - kas build kas.yml
+
+  post_build:
+    commands:
+      - echo Build completed on `date`
+      - export BUILD_OUTPUT="$(uuidgen -t).tar"
+      - echo $TMP_DIR
+      - ls -la $TMP_DIR
+      - echo $KAS_WORK_DIR
+      - ls -la $KAS_WORK_DIR
+
+artifacts:
+  discard-paths: true
+  files:
+    - $TMP_DIR/build/tmp/deploy/images/qemux86-64/aws-biga-image-qemux86-64*
\ No newline at end of file
diff --git a/source-repo/poky-kas/kas.yml b/source-repo/poky-kas/kas.yml
new file mode 100644
index 0000000..dbc8a12
--- /dev/null
+++ b/source-repo/poky-kas/kas.yml
@@ -0,0 +1,34 @@
+header:
+  version: 14
+
+target: aws-biga-image
+machine: qemux86-64
+
+
+local_conf_header:
+    qemu-config: |
+        EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
+        IMAGE_INSTALL:append = " greengrass-bin"
+
+repos:
+  poky:
+    url: https://git.yoctoproject.org/poky.git
+    commit: c4e08719a782fd4119eaf643907b80cebf57f88f
+    layers:
+      meta:
+      meta-poky:
+  meta-aws-demos:
+    url: https://github.com/aws4embeddedlinux/meta-aws-demos
+    commit: 2f004d5f7ad576ca6eec3cb2bdd710d352b41823
+    layers:
+      meta-aws-demos:
+  meta-openembedded:
+    url: https://git.openembedded.org/meta-openembedded
+    commit: a8055484f2829e8dfd03d5c8520b2c611aa7ebd2
+    layers:
+      meta-oe:
+      meta-networking:
+      meta-python:
+  meta-aws:
+    url: https://github.com/aws4embeddedlinux/meta-aws
+    commit: 434e85de57c3be735e63754cf75037c3ac249d2b