diff --git a/Dockerfile b/Dockerfile
index 871db6f..18aceb5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-kasmvnc:debianbullseye
+FROM ghcr.io/linuxserver/baseimage-kasmvnc:debianbookworm
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index ee8f4e1..c96ac56 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-kasmvnc:arm64v8-debianbullseye
+FROM ghcr.io/linuxserver/baseimage-kasmvnc:arm64v8-debianbookworm
 
 # set version label
 ARG BUILD_DATE
diff --git a/README.md b/README.md
index c76798e..f1a20fb 100644
--- a/README.md
+++ b/README.md
@@ -321,5 +321,6 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **06.01.24:** - Rebase to Debian Bookworm.
 * **17.01.24:** - Update wrapper scripts to cleanup and launch properly.
 * **02.04.23:** - Initial release.
diff --git a/readme-vars.yml b/readme-vars.yml
index 6fdec0c..f44abc0 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -78,5 +78,6 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "06.01.24:", desc: "Rebase to Debian Bookworm." }
   - { date: "17.01.24:", desc: "Update wrapper scripts to cleanup and launch properly." }
   - { date: "02.04.23:", desc: "Initial release." }