diff --git a/common/build.gradle b/common/build.gradle
index f5d281b51..3ef159bcd 100644
--- a/common/build.gradle
+++ b/common/build.gradle
@@ -66,7 +66,7 @@ dependencies {
     api 'com.github.ben-manes.caffeine:caffeine:2.9.0'
     api 'com.squareup.okhttp3:okhttp:3.14.9'
     api 'com.squareup.okio:okio:1.17.5'
-    api 'net.bytebuddy:byte-buddy:1.10.22'
+    api 'net.bytebuddy:byte-buddy:1.14.17'
 
     api('org.spongepowered:configurate-core:3.7.2') {
         transitive = false
diff --git a/minestom/build.gradle b/minestom/build.gradle
index 6709a37f5..b174a4b56 100644
--- a/minestom/build.gradle
+++ b/minestom/build.gradle
@@ -4,9 +4,9 @@ plugins {
     id "java-library"
 }
 
-// minestom requires java 17+
-sourceCompatibility = 17
-targetCompatibility = 17
+// minestom requires java 21+
+sourceCompatibility = 21
+targetCompatibility = 21
 
 repositories {
     mavenCentral()
@@ -21,11 +21,11 @@ dependencies {
         exclude group: "org.spongepowered", module: "configurate-hocon"
         exclude group: "me.lucko.configurate", module: "configurate-toml"
     }
-    compileOnlyApi("net.minestom:minestom-snapshots:fe46ed4ac2")
+    compileOnlyApi("net.minestom:minestom-snapshots:1_20_5-b04ef5189f")
 
     // testing
     testImplementation project(":common")
-    testImplementation "net.minestom:minestom-snapshots:fe46ed4ac2"
+    testImplementation "net.minestom:minestom-snapshots:1_20_5-b04ef5189f"
     testImplementation "commons-net:commons-net:3.10.0" // fix vulnerability in minestom
     testImplementation "ch.qos.logback:logback-classic:1.4.14" // logger
     testImplementation "org.spongepowered:configurate-hocon:3.7.2" // configuration using hocon
diff --git a/minestom/src/main/java/me/lucko/luckperms/minestom/context/defaults/DimensionTypeContextProvider.java b/minestom/src/main/java/me/lucko/luckperms/minestom/context/defaults/DimensionTypeContextProvider.java
index 5cab1329e..91ffb09ed 100644
--- a/minestom/src/main/java/me/lucko/luckperms/minestom/context/defaults/DimensionTypeContextProvider.java
+++ b/minestom/src/main/java/me/lucko/luckperms/minestom/context/defaults/DimensionTypeContextProvider.java
@@ -12,8 +12,6 @@
 import net.minestom.server.event.EventNode;
 import net.minestom.server.event.player.PlayerSpawnEvent;
 import net.minestom.server.instance.Instance;
-import net.minestom.server.utils.NamespaceID;
-import net.minestom.server.world.DimensionType;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.jetbrains.annotations.NotNull;
 
@@ -27,16 +25,13 @@ public final class DimensionTypeContextProvider implements ContextProvider {
     @Override
     public @NotNull Optional<String> query(@NotNull Player subject) {
         return Optional.ofNullable(subject.getInstance())
-                .map(Instance::getDimensionType)
-                .map(DimensionType::getName)
-                .map(NamespaceID::value);
+                .map(Instance::getDimensionName);
     }
 
     @Override
     public @NotNull Set<String> potentialValues() {
-        return MinecraftServer.getDimensionTypeManager().unmodifiableList().stream()
-                .map(DimensionType::getName)
-                .map(NamespaceID::value)
+        return MinecraftServer.getDimensionTypeRegistry().values().stream()
+                .map((d) -> d.namespace().value())
                 .collect(Collectors.toSet());
     }