diff --git a/src/pocketmine/item/Durable.php b/src/pocketmine/item/Durable.php
index 445d19e9a..d2960f836 100644
--- a/src/pocketmine/item/Durable.php
+++ b/src/pocketmine/item/Durable.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace pocketmine\item;
 
+use pocketmine\item\enchantment\Enchantment;
 use pocketmine\nbt\tag\ByteTag;
 
 abstract class Durable extends Item{
@@ -54,7 +55,7 @@ abstract class Durable extends Item{
 			return false;
 		}
 
-		//TODO: Unbreaking enchantment
+		$amount -= $this->getUnbreakingDamageReduction($amount);
 
 		$this->meta += $amount;
 		if($this->isBroken()){
@@ -64,6 +65,23 @@ abstract class Durable extends Item{
 		return true;
 	}
 
+	protected function getUnbreakingDamageReduction(int $amount) : int{
+		if(($unbreakingLevel = $this->getEnchantmentLevel(Enchantment::UNBREAKING)) > 0){
+			$negated = 0;
+
+			$chance = 1 / ($unbreakingLevel + 1);
+			for($i = 0; $i < $amount; ++$i){
+				if(lcg_value() > $chance){
+					$negated++;
+				}
+			}
+
+			return $negated;
+		}
+
+		return 0;
+	}
+
 	/**
 	 * Returns whether the item is broken.
 	 * @return bool
diff --git a/src/pocketmine/item/enchantment/Enchantment.php b/src/pocketmine/item/enchantment/Enchantment.php
index e87c78e29..3d95cd6a8 100644
--- a/src/pocketmine/item/enchantment/Enchantment.php
+++ b/src/pocketmine/item/enchantment/Enchantment.php
@@ -95,6 +95,8 @@ class Enchantment{
 		self::registerEnchantment(new Enchantment(self::RESPIRATION, "%enchantment.oxygen", self::RARITY_RARE, self::SLOT_HEAD, 3));
 
 		self::registerEnchantment(new Enchantment(self::EFFICIENCY, "%enchantment.digging", self::RARITY_COMMON, self::SLOT_DIG | self::SLOT_SHEARS, 5));
+
+		self::registerEnchantment(new Enchantment(self::UNBREAKING, "%enchantment.durability", self::RARITY_UNCOMMON, self::SLOT_ALL, 3)); //TODO: item type flags need to be split up
 	}
 
 	/**