diff --git a/.drone.yml b/.drone.yml
index 0bd7598..a3da061 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,7 +10,7 @@ trigger:
 steps:
   - name: publish
     pull: if-not-exists
-    image: openjdk:17-jdk
+    image: openjdk:21-jdk
     environment:
       PACKAGESKEY:
         from_secret: GITEA_PACKAGE_PUBLIC_RW
diff --git a/build.gradle b/build.gradle
index 69f154e..92ed89d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ subprojects {
     version "2.1.0-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 99fe7c4..ee15fcf 100644
--- a/plugin/build.gradle
+++ b/plugin/build.gradle
@@ -40,7 +40,7 @@ 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")
 }