diff --git a/build.gradle.kts b/build.gradle.kts
index ad9212f..7e153ff 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -71,7 +71,7 @@ tasks {
                 "name" to project.name,
                 "version" to project.version,
                 "description" to project.description,
-                "apiVersion" to "1.20"
+                "apiVersion" to "1.21"
         )
         inputs.properties(props)
         filesMatching("plugin.yml") {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 3939ced..041cc70 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@
 bom-newest = "1.37"
 cloud-paper = "2.0.0-20240516.054251-69"
 coreprotect = "22.4"
-paper = "1.20.6-R0.1-SNAPSHOT"
+paper = "1.21-R0.1-SNAPSHOT"
 plotsquared = "7.3.9-20240513.192211-13"
 reflection-remapper = "0.1.2-20240315.033304-2"
 viaversion-api = "4.10.1-20240505.124211-22"
@@ -29,4 +29,4 @@ zstd-jni = { group = "com.github.luben", name = "zstd-jni", version = "1.5.5-4"
 [plugins]
 paperweight-userdev = { id = "io.papermc.paperweight.userdev", version.ref = "paperweight-userdev" }
 run-paper = { id = "xyz.jpenilla.run-paper", version.ref = "run-paper" }
-shadow = { id = "io.github.goooler.shadow", version.ref = "shadow" }
\ No newline at end of file
+shadow = { id = "io.github.goooler.shadow", version.ref = "shadow" }
diff --git a/src/main/java/com/moulberry/axiom/AxiomPaper.java b/src/main/java/com/moulberry/axiom/AxiomPaper.java
index e7aac44..d8c7565 100644
--- a/src/main/java/com/moulberry/axiom/AxiomPaper.java
+++ b/src/main/java/com/moulberry/axiom/AxiomPaper.java
@@ -162,7 +162,7 @@ public class AxiomPaper extends JavaPlugin implements Listener {
                 new RequestChunkDataPacketListener(this) : null;
 
             // Hack to figure out the id of the CustomPayload packet
-            ProtocolInfo<ServerGamePacketListener> protocol = GameProtocols.SERVERBOUND.bind(k -> new RegistryFriendlyByteBuf(k,
+            ProtocolInfo<ServerGamePacketListener> protocol = GameProtocols.SERVERBOUND_TEMPLATE.bind(k -> new RegistryFriendlyByteBuf(k,
                 MinecraftServer.getServer().registryAccess()));
             RegistryFriendlyByteBuf friendlyByteBuf = new RegistryFriendlyByteBuf(Unpooled.buffer(), MinecraftServer.getServer().registryAccess());
             protocol.codec().encode(friendlyByteBuf, new ServerboundCustomPayloadPacket(new DiscardedPayload(VersionHelper.createResourceLocation("dummy"), Unpooled.buffer())));
diff --git a/src/main/java/com/moulberry/axiom/WorldExtension.java b/src/main/java/com/moulberry/axiom/WorldExtension.java
index 7f610a8..e948922 100644
--- a/src/main/java/com/moulberry/axiom/WorldExtension.java
+++ b/src/main/java/com/moulberry/axiom/WorldExtension.java
@@ -169,7 +169,7 @@ public class WorldExtension {
             }
         }
 
-        this.level.getChunkSource().getLightEngine().relight(chunkSet, pos -> {}, count -> {});
+        this.level.getChunkSource().getLightEngine().starlight$serverRelightChunks(chunkSet, pos -> {}, count -> {});
     }
 
 }