diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index 2843e3e..e1f087a 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: 'ubuntu-latest'
     strategy:
       matrix:
-        java: [ 8, 11, 17 ]
+        java: [ 8, 11, 17, 21 ]
       fail-fast: true
     steps:
       - name: 'Claim the land'
diff --git a/README.md b/README.md
index 815a47f..66fe4a8 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![maven central](https://maven-badges.herokuapp.com/maven-central/lol.hub/TinyEventBus/badge.svg)](https://search.maven.org/artifact/lol.hub/TinyEventBus)
 
-Tiny and fast pubsub implementation with subscriber priorities and event canceling for Java 8, 11, 17 and 21.
+Tiny and fast pubsub implementation with subscriber priorities and event canceling for Java.
 
 ---
 
diff --git a/build.gradle b/build.gradle
index 3ca05db..af18c1a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,7 +43,7 @@ dependencies {
 }
 
 java {
-    toolchain.languageVersion = JavaLanguageVersion.of(17)
+    toolchain.languageVersion = JavaLanguageVersion.of(21)
     withJavadocJar()
     withSourcesJar()
 }
@@ -66,7 +66,7 @@ publishing {
             from components.java
             pom {
                 name = project.name
-                description = 'Tiny and fast pubsub implementation with subscriber priorities and event canceling for Java 8, 11 and 17.'
+                description = 'Tiny and fast pubsub implementation with subscriber priorities and event canceling for Java.'
                 licenses {
                     license {
                         name = 'MIT License'