diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bbf6f15..b306a43 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Free up disk space on github runner
         uses: jlumbroso/free-disk-space@main
@@ -44,7 +44,7 @@ jobs:
 
   test:
     needs: build
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     outputs:
       publish: ${{ steps.check.outputs.publish }}
     steps:
@@ -88,7 +88,7 @@ jobs:
   publish:
     if: needs.test.outputs.publish == 'true'
     needs: test
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     environment: docker-hub
     steps:
       - name: Checkout
diff --git a/README.md b/README.md
index 344a30c..1d94790 100644
--- a/README.md
+++ b/README.md
@@ -15,12 +15,12 @@ Example use cases:
 
 Key features:
 - Pi 3, 4 and **5** support
-- 64 bit (ARMv8) Raspberry PI OS (Bookworm, latest) included
+- 64 bit (ARMv8) Raspberry PI OS (Bookworm) included
+  - image: **[2024-07-04-raspios-bookworm-arm64-lite](https://downloads.raspberrypi.com/raspios_lite_arm64/images/raspios_lite_arm64-2024-07-04/)**
+  - kernel: **[6.6-y](https://github.com/raspberrypi/linux/tree/rpi-6.6.y)**
 - Internet access
 - No root required
 - Safe, fully reproducible from source
-- Configurable kernel
-- Wireguard module included
 - Tested and stable
 
 ## Usage
@@ -120,7 +120,7 @@ ansible-playbook -i ./test/hosts.yml ./test/main.yml
 - Make sure to regularly back up the `distro.qcow2` image.
 
 ## Versions
-PI-CI should work on Ubuntu 18.04. It has automatically been tested on Ubuntu 20.04 using GitHub Actions. Any other distro should work with the following software versions (or higher, perhaps):
+PI-CI has automatically been tested on Ubuntu 24.04 using GitHub Actions. Any other distro should work with the following software versions (or higher, perhaps):
 
 | Software  | Version  | 
 | ----------| -------- |
diff --git a/dockerfile b/dockerfile
index 640b004..894662f 100644
--- a/dockerfile
+++ b/dockerfile
@@ -102,7 +102,6 @@ ENV APP_DIR=/app/
 
 ENV IMAGE_FILE_NAME=distro.qcow2
 ENV KERNEL_FILE_NAME=kernel.img
-ENV DTB_FILE_NAME=pi3.dtb
 
 # Copy build files
 RUN mkdir $BASE_DIR
diff --git a/src/app/func/init.py b/src/app/func/init.py
index a844908..2f05d96 100644
--- a/src/app/func/init.py
+++ b/src/app/func/init.py
@@ -28,8 +28,7 @@ def start(opts):
 
     base_files = [ 
       opts.IMAGE_FILE_NAME,
-      opts.KERNEL_FILE_NAME,
-      opts.DTB_FILE_NAME 
+      opts.KERNEL_FILE_NAME
     ]
     
     # Check and resolve required files for running emulator
diff --git a/src/app/func/start.py b/src/app/func/start.py
index 2c1b8c9..e78e90d 100644
--- a/src/app/func/start.py
+++ b/src/app/func/start.py
@@ -25,8 +25,7 @@ def start(opts):
 
     base_files = [ 
       opts.IMAGE_FILE_NAME,
-      opts.KERNEL_FILE_NAME,
-      opts.DTB_FILE_NAME 
+      opts.KERNEL_FILE_NAME
     ]
     
     # Check and resolve required files for running emulator
@@ -37,7 +36,6 @@ def start(opts):
   run_dir = opts.DIST_DIR if has_volume else opts.BASE_DIR
   image_path = f'{run_dir}/{opts.IMAGE_FILE_NAME}'
   kernel_path = f'{run_dir}/{opts.KERNEL_FILE_NAME}'
-  dtb_path = f'{run_dir}/{opts.DTB_FILE_NAME}'
 
   # Start emulator
   log.info("Starting the emulator ...")