diff --git a/README.md b/README.md
index 95a5f1077..31b0ac594 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ You can use [this tool](https://github.com/remi0s/aosp-dictionary-tools) to crea
 
 Install java:
 ```sh
-sudo pacman -S jdk8-openjdk jre8-openjdk jre8-openjdk-headless
+sudo pacman -S jdk11-openjdk jre11-openjdk jre11-openjdk-headless
 ```
 
 Install Android SDK:
@@ -41,11 +41,6 @@ Configure your SDK location in your `~/.bash_profile` or `~/.bashrc`:
 export ANDROID_SDK_ROOT=~/snap/androidsdk/current/AndroidSDK/
 ```
 
-Install the platform tools for your target android version:
-```sh
-androidsdk "platform-tools" "platforms;android-29"
-```
-
 Compile the project. This will install all dependencies, make sure to accept
 licenses when prompted.
 
diff --git a/build.gradle b/build.gradle
index 5ee72aab6..df8055c03 100755
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.4.30'
+    ext.kotlin_version = '1.5.31'
     repositories {
         jcenter()
         google()