diff --git a/build.gradle.kts b/build.gradle.kts
index f95f51abb..e648fd309 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -30,8 +30,8 @@ plugins {
 
 /* ******************** metadata ******************** */
 
-val prevVersion = "4.8.3"
-version = "4.8.4"
+val prevVersion = "4.8.4"
+version = "4.9.0"
 group = "com.hivemq"
 description = "MQTT CLI is a tool that provides a feature rich command line interface for connecting, " +
         "publishing, subscribing, unsubscribing and disconnecting " +
diff --git a/docs/_docs/installation.md b/docs/_docs/installation.md
index 84be943e0..8a07c3520 100644
--- a/docs/_docs/installation.md
+++ b/docs/_docs/installation.md
@@ -36,16 +36,17 @@ $ brew install hivemq/mqtt-cli/mqtt-cli
 
 
 > **NOTE**: If you encounter an error like `Java 1.8+ is required to install this formula` please install a java version higher than 1.8.
-You can use `brew cask install adoptopenjdk` to install the latest release of adoptopenjdk.
+> You can use `brew cask install adoptopenjdk` to install the latest release of adoptopenjdk.
 
 > **NOTE**: As latency-issues may slow down the CLI under **Mac OS X** please verify that you have the entry ``127.0.0.1 localhost your-pc-name`` specified under ``/etc/hosts``.
-You can use ``sudo sh -c "echo 127.0.0.1 localhost $(hostname) >> /etc/hosts"`` to append this configuration to your hosts file.
+> You can use ``sudo sh -c "echo 127.0.0.1 localhost $(hostname) >> /etc/hosts"`` to append this configuration to your hosts file.
 
 ***
 
 ## Windows Zip
 
-Download the [Windows Zipfile](https://github.com/hivemq/mqtt-cli/releases/download/v4.8.4/mqtt-cli-4.8.4-win.zip) and extract it in your preferred location.
+Download the [Windows Zipfile](https://github.com/hivemq/mqtt-cli/releases/download/v4.9.0/mqtt-cli-4.9.0-win.zip) and
+extract it in your preferred location.
 To execute MQTT CLI simply open the Windows Command Prompt with `⊞ Win` + `R` and execute `cmd`.
 Navigate into the extracted MQTT CLI folder and execute `mqtt-cli.exe`.
 
@@ -58,10 +59,9 @@ To quick start the shell simply double-click the `mqtt-cli-shell.cmd` file.
 If you are using a *nix operating system which operates with debian packages you can download the MQTT CLI debian package from the [releases page](https://github.com/hivemq/mqtt-cli/releases) via `wget` or `curl`
 and install the package with `sudo dpkg -i`  or `sudo apt install`:
 
-
 ``` 
-wget https://github.com/hivemq/mqtt-cli/releases/download/v4.8.4/mqtt-cli-4.8.4.deb
-sudo apt install ./mqtt-cli-4.8.4.deb
+wget https://github.com/hivemq/mqtt-cli/releases/download/v4.9.0/mqtt-cli-4.9.0.deb
+sudo apt install ./mqtt-cli-4.9.0.deb
 ``` 
 
 ***
@@ -72,7 +72,7 @@ For Red Hat, Fedora, Mandriva, OpenSuse, CentOS distributions you can use the rp
 The preferred way is to install the package via the `yum` package manager. To install the package simply execute:
 
 ``` 
-sudo yum install -y https://github.com/hivemq/mqtt-cli/releases/download/v4.8.4/mqtt-cli-4.8.4.rpm
+sudo yum install -y https://github.com/hivemq/mqtt-cli/releases/download/v4.9.0/mqtt-cli-4.9.0.rpm
 ```
 
 ## Building from source