diff --git a/gradle.properties b/gradle.properties
index 842a5bce6..a71299cfe 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,7 +10,7 @@ mod_version=0.1
 mc_version=1.18.1
 mc_version_weak=1.18
 forge_gradle_version=5.1.27
-forge_version=39.0.14
+forge_version=39.0.64
 
 jei_version=9.1.1.48
 jupiter_version=5.8.2
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemPortableGravitationStabilizer.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemPortableGravitationStabilizer.kt
index a0110f0de..3f52673dd 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemPortableGravitationStabilizer.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemPortableGravitationStabilizer.kt
@@ -28,13 +28,13 @@ private object GravitationStabilizerArmorMaterial : ArmorMaterial {
 }
 
 private object GravitationStabilizerArmorRenderProperties : IItemRenderProperties {
-	override fun <A : HumanoidModel<*>> getArmorModel(
+	override fun getArmorModel(
 		entityLiving: LivingEntity,
 		itemStack: ItemStack,
 		armorSlot: EquipmentSlot,
-		_default: A
-	): A {
-		return GravitationStabilizerModel.getModel() as A
+		_default: HumanoidModel<*>
+	): HumanoidModel<*> {
+		return GravitationStabilizerModel.getModel()
 	}
 }
 
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemTritaniumArmor.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemTritaniumArmor.kt
index ab785c2c8..48d3c1b8f 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemTritaniumArmor.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/item/ItemTritaniumArmor.kt
@@ -53,17 +53,17 @@ private object TritaniumArmorMaterial : ArmorMaterial {
 }
 
 private object TritaniumArmorRenderProperties : IItemRenderProperties {
-	override fun <A : HumanoidModel<*>> getArmorModel(
+	override fun getArmorModel(
 		entityLiving: LivingEntity,
 		itemStack: ItemStack,
 		armorSlot: EquipmentSlot,
-		_default: A
-	): A {
+		_default: HumanoidModel<*>
+	): HumanoidModel<*> {
 		if (armorSlot === EquipmentSlot.LEGS) {
-			return TritaniumArmorModel.getModelLegs() as A
+			return TritaniumArmorModel.getModelLegs()
 		}
 
-		return TritaniumArmorModel.getModel() as A
+		return TritaniumArmorModel.getModel()
 	}
 }