diff --git a/Dockerfile b/Dockerfile
index fec207f..eb264c0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM	debian:12-slim
 
 ARG	GIT_USER="tmux"
 ARG	GIT_REPO="tmux"
-ARG	GIT_COMMIT="3.4"
+ARG	GIT_COMMIT="3.5"
 # ARG	GIT_ARCHIVE="https://github.com/$GIT_USER/$GIT_REPO/archive/$GIT_COMMIT.tar.gz"
 ARG	GIT_ARCHIVE="https://github.com/${GIT_USER}/${GIT_REPO}/releases/download/${GIT_COMMIT}/tmux-${GIT_COMMIT}.tar.gz"
 ARG	ARCHIVE="tmux-${GIT_COMMIT}.tar.gz"
diff --git a/README.md b/README.md
index 7314c86..e5ace7b 100644
--- a/README.md
+++ b/README.md
@@ -1,32 +1,34 @@
 # docker-tmux-builder
 
-Builds a [tmux](https://github.com/tmux/tmux) debian package with [Docker](https://www.docker.com/). Supports `amd64`, `arm64` and `armhf` architecture.
+Builds a [tmux](https://github.com/tmux/tmux) Debian 12 package with [Docker](https://www.docker.com/). Supports `amd64`, `arm64` and `armhf` architecture.
 
 When running **make**, tmux is build, packaged and copied to the current directory.
 
 ## Prepare
+
     git clone https://github.com/casperklein/docker-tmux-builder
     cd docker-tmux-builder
 
 ## Build tmux debian package
-    make
 
-## Build tmux debian package for older debian versions, e.g. Debian 10 (Buster)
-    DEBIAN=10
-    sed -i 's|^FROM.*|FROM debian:'$DEBIAN'-slim|' Dockerfile
     make
-    
+
 ## Install tmux debian package
+
     make install
-    
+
 ## Copy tmux.conf to /etc/tmux.conf and tmux.pin to /etc/apt/preferences.d/tmux
+
     make copy-conf
 
 ## Bash completion
+
 See `bash_completion_tmux.sh` for details.
-    
+
 ## Uninstall tmux
+
     make uninstall
-    
+
 ## Cleanup build environment
+
     make clean
diff --git a/config.json b/config.json
index 6b87b80..77e35da 100644
--- a/config.json
+++ b/config.json
@@ -2,5 +2,5 @@
   "user": "casperklein",
   "name": "docker-tmux-builder",
   "image": "casperklein/docker-tmux-builder",
-  "version": "3.4"
+  "version": "3.5"
 }