diff --git a/.env.example b/.env.example
index 8cfe589..b1c068d 100644
--- a/.env.example
+++ b/.env.example
@@ -1,7 +1,7 @@
 # only used for docker
 
-DOMAIN=
-PORT=
+DOMAIN=localhost
+PORT=8080
 
 # Spotify Client / Secret; make an application over here: https://developer.spotify.com/my-applications/
 SPOTIFYCLIENT=
diff --git a/README.md b/README.md
index d0ce04b..0b9e37b 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,10 @@ You can visit the official site [here](https://eternalbox.dev/), in case you wan
 
 You need to install [docker](https://docs.docker.com/engine/install/) and [docker-compose](https://docs.docker.com/compose/install/)
 
+You'll also need to install [Java's JDK](https://www.oracle.com/java/technologies/downloads/#jdk20-windows). Currently tested and working locally with JDK Development Kit 20.0.2, which is the latest at the time of writing.
+
+Docker version currently is at v4.22.1
+
 Then, download or clone the repository.
 
 ## Configuration
diff --git a/build.gradle b/build.gradle
index 2648657..c4d6d05 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,8 @@
 plugins {
     id 'java'
     id 'application'
-    id 'org.jetbrains.kotlin.jvm' version '1.3.60'
-    id 'com.github.johnrengelman.shadow' version '4.0.3'
+    id 'org.jetbrains.kotlin.jvm' version '1.6.0'
+    id 'com.github.johnrengelman.shadow' version '8.1.1'
 }
 
 apply plugin: 'kotlin'
@@ -20,7 +20,7 @@ repositories {
 }
 
 ext {
-    kotlin_version = '1.3.60'
+    kotlin_version = '1.6.0'
     vertx_version = '3.9.0'
     jackson_version = '2.9.2'
 }
@@ -69,4 +69,4 @@ compileKotlin {
     kotlinOptions {
         jvmTarget = '1.8'
     }
-}
\ No newline at end of file
+}
diff --git a/yt.sh b/yt.sh
index 658d7fe..d20217a 100644
--- a/yt.sh
+++ b/yt.sh
@@ -1 +1 @@
-yt-dlp $1 -f "best" --audio-format $3 -x -o $2 --max-filesize 100m --no-playlist
+yt-dlp $1 -f "best" -k --audio-format $3 -x -o $2 --max-filesize 100m --no-playlist