diff --git a/Makefile b/Makefile
index 556ba8c..f46569c 100644
--- a/Makefile
+++ b/Makefile
@@ -8,8 +8,8 @@ GOOS := $(shell go env GOOS)
 GOARCH := $(shell go env GOARCH)
 BUILD := build/public/$(GOOS)_$(GOARCH)
 
-SDK_RELEASE_VERSION        := 3.2.0
-DATALAYER_DEB_FILE_VERSION := 2.7.5
+SDK_RELEASE_VERSION        := 3.4.0
+DATALAYER_DEB_FILE_VERSION := 2.8.6
 
 .PHONY: all go-dep apt-dep lint vet test test-coverage build clean
 
diff --git a/README.md b/README.md
index 7cc823a..99fa452 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # ctrlX Data Layer client and provider library for golang
 
 This project provides:
-  
+
 1. ctrlX Data Layer access via Golang
 
     It wraps the original ctrlX Data Layer written in C++.
@@ -10,9 +10,9 @@ This project provides:
 
 2. Server-Sent Events(SSE) Client
 
-    Server-Sent Events is HTTP/HTTP2 common standard, the SSE server pushes the update to the client, the client receives automatic updates via HTTP connection. 
+    Server-Sent Events is HTTP/HTTP2 common standard, the SSE server pushes the update to the client, the client receives automatic updates via HTTP connection.
 
-    ctrlX Data Layer provides a SSE Server, which makes the data on the Data Layer accessible to the web application.  
+    ctrlX Data Layer provides a SSE Server, which makes the data on the Data Layer accessible to the web application.
 
     The SSE client library can be used to connect to the SSE Server of the ctrlX Data Layer running on the ctrlX Device. It is possible to subscribe to nodes on the server and the server will automatically send new updates on value changes.
 
@@ -20,15 +20,14 @@ This project provides:
 
 3. Token handling
 
-    JSON Web Token is used for authentification in ctrlX Core. 
+    JSON Web Token is used for authentification in ctrlX Core.
 
-    The token library can be used to get token from ctrlX Core and later on check if the token is still valid. 
+    The token library can be used to get token from ctrlX Core and later on check if the token is still valid.
 
     You can find documentation here [GoDoc](https://pkg.go.dev/github.com/boschrexroth/ctrlx-datalayer-golang/v2/pkg/token)
 
 ## Status
 
-
 ![Make Test](https://github.com/boschrexroth/ctrlx-datalayer-golang/actions/workflows/main.yml/badge.svg)
 
 ## Usage
@@ -44,8 +43,8 @@ sudo apt-get install libsystemd-dev libsystemd-dev:arm64
 Check the current [ctrlx Data Layer](https://github.com/boschrexroth/ctrlx-automation-sdk/releases) debian package, download and install this, see example.
 
 ```bash
-wget https://github.com/boschrexroth/ctrlx-automation-sdk/releases/download/3.2.0/ctrlx-datalayer-2.7.5.deb
-sudo dpkg -i ctrlx-datalayer-2.7.5.deb
+wget https://github.com/boschrexroth/ctrlx-automation-sdk/releases/download/3.4.0/ctrlx-datalayer-2.8.6.deb
+sudo dpkg -i ctrlx-datalayer-2.8.6.deb
 ```
 
 ### Integrate in you project
@@ -60,16 +59,16 @@ Copyright © 2022 Bosch Rexroth AG. All rights reserved.
 
 <https://www.boschrexroth.com>
 
-Bosch Rexroth AG  
-Bgm.-Dr.-Nebel-Str. 2  
-97816 Lohr am Main  
+Bosch Rexroth AG
+Bgm.-Dr.-Nebel-Str. 2
+97816 Lohr am Main
 GERMANY
 
 ## Licenses
 
 MIT License
 
-Copyright (c) 2021-2022 Bosch Rexroth AG
+Copyright (c) 2021-2024 Bosch Rexroth AG
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal