diff --git a/build.gradle b/build.gradle
index 81a48fa..2bd678e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ subprojects {
     version "2.0.0-netherite-snapshot"
 
     java {
-        toolchain.languageVersion.set(JavaLanguageVersion.of(17))
+        toolchain.languageVersion.set(JavaLanguageVersion.of(21))
     }
 
     dependencies {
diff --git a/plugin/build.gradle b/plugin/build.gradle
index 4e8f9aa..2d0844c 100644
--- a/plugin/build.gradle
+++ b/plugin/build.gradle
@@ -8,7 +8,7 @@ runServer {
     javaLauncher = javaToolchains.launcherFor {
         languageVersion = JavaLanguageVersion.of(21)
     }
-    minecraftVersion "1.21.3"
+    minecraftVersion "1.21.4"
 }
 
 processResources {
@@ -25,7 +25,7 @@ dependencies {
 
     // Fancy text library
     implementation "net.kyori:adventure-platform-bukkit:4.3.4"
-    implementation "net.kyori:adventure-text-minimessage:4.17.0"
+    implementation "net.kyori:adventure-text-minimessage:4.18.0"
 
     implementation project(":api")
 }