diff --git a/build.gradle.kts b/build.gradle.kts
index 38f3fca6d..c9cabe933 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ plugins {
 val version = "0.0.1"
 val group = "one.oktw"
 
-val fabricVersion = "0.111.0+1.21.4"
+val fabricVersion = "0.113.0+1.21.4"
 val galaxyLibVersion = "bcf8f61"
 
 repositories {
@@ -43,7 +43,7 @@ loom {
 dependencies {
     // Core
     minecraft(group = "com.mojang", name = "minecraft", version = "1.21.4")
-    mappings(group = "net.fabricmc", name = "yarn", version = "1.21.4+build.1", classifier = "v2")
+    mappings(group = "net.fabricmc", name = "yarn", version = "1.21.4+build.2", classifier = "v2")
     modImplementation(group = "net.fabricmc", name = "fabric-loader", version = "0.16.9")
 
     // fabric api
diff --git a/src/main/kotlin/one/oktw/galaxy/block/CustomBlock.kt b/src/main/kotlin/one/oktw/galaxy/block/CustomBlock.kt
index 283a53c50..0d92b3e28 100644
--- a/src/main/kotlin/one/oktw/galaxy/block/CustomBlock.kt
+++ b/src/main/kotlin/one/oktw/galaxy/block/CustomBlock.kt
@@ -37,7 +37,7 @@ open class CustomBlock(final override val identifier: Identifier, val baseBlock:
     protected val blockEntityType: BlockEntityType<CustomBlockEntity> = Registry.register(
         Registries.BLOCK_ENTITY_TYPE,
         identifier,
-        FabricBlockEntityTypeBuilder.create({ pos, _ -> createBlockEntity(pos) }, BARRIER).build(null)
+        FabricBlockEntityTypeBuilder.create({ pos, _ -> createBlockEntity(pos) }, BARRIER).build()
     )
 
     companion object {