diff --git a/build.gradle.kts b/build.gradle.kts
index 70eb7e1..b57ec53 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ val githubActor = project.findProperty("gpr.user") as String? ?: System.getenv("
 val githubToken = project.findProperty("gpr.key") as String? ?: System.getenv("GITHUB_TOKEN")
 
 group = "me.tech"
-version = "1.4.5"
+version = "1.4.6"
 
 repositories {
     mavenCentral()
diff --git a/development/build.gradle.kts b/development/build.gradle.kts
index e15557f..9687b23 100644
--- a/development/build.gradle.kts
+++ b/development/build.gradle.kts
@@ -19,7 +19,7 @@ repositories {
 }
 
 dependencies {
-    compileOnly("io.papermc.paper:paper-api:1.20.2-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.20.4-R0.1-SNAPSHOT")
     implementation(rootProject)
 }
 
@@ -28,7 +28,7 @@ tasks.jar {
 }
 
 tasks.withType<RunServer> {
-    minecraftVersion("1.20.2")
+    minecraftVersion("1.20.4")
 }
 
 bukkit {
diff --git a/src/main/kotlin/me/tech/mcchestui/item/GUIHeadItem.kt b/src/main/kotlin/me/tech/mcchestui/item/GUIHeadItem.kt
index 7027f72..e74f4ee 100644
--- a/src/main/kotlin/me/tech/mcchestui/item/GUIHeadItem.kt
+++ b/src/main/kotlin/me/tech/mcchestui/item/GUIHeadItem.kt
@@ -41,7 +41,7 @@ class GUIHeadItem : GUIItem(Material.PLAYER_HEAD) {
     var skullOwner: OfflinePlayer?
         get() = itemMeta.owningPlayer
         set(value) {
-            stack.editMeta(SkullMeta::class.java) {
+            itemStack.editMeta(SkullMeta::class.java) {
                 it.owningPlayer = value
             }
         }
@@ -54,7 +54,7 @@ class GUIHeadItem : GUIItem(Material.PLAYER_HEAD) {
     var playerProfile: PlayerProfile?
         get() = itemMeta.playerProfile
         set(value) {
-            stack.editMeta(SkullMeta::class.java) {
+            itemStack.editMeta(SkullMeta::class.java) {
                 it.playerProfile = value
             }
         }
diff --git a/src/main/kotlin/me/tech/mcchestui/item/GUIItem.kt b/src/main/kotlin/me/tech/mcchestui/item/GUIItem.kt
index 534b0ab..e3688c8 100644
--- a/src/main/kotlin/me/tech/mcchestui/item/GUIItem.kt
+++ b/src/main/kotlin/me/tech/mcchestui/item/GUIItem.kt
@@ -59,7 +59,7 @@ fun guiItem(
 
 
 open class GUIItem constructor(
-	private val itemStack: ItemStack
+	protected val itemStack: ItemStack
 ) {
 	constructor(type: Material)
 			: this(ItemStack(type, 1))