diff --git a/pom.xml b/pom.xml
index 1b586b18..5e40d4a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.github.steveice10</groupId>
     <artifactId>mcprotocollib</artifactId>
-    <version>1.13-1-SNAPSHOT</version>
+    <version>1.13.1-1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>MCProtocolLib</name>
diff --git a/src/main/java/com/github/steveice10/mc/protocol/MinecraftConstants.java b/src/main/java/com/github/steveice10/mc/protocol/MinecraftConstants.java
index 4118f9ef..69276591 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/MinecraftConstants.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/MinecraftConstants.java
@@ -2,8 +2,8 @@ package com.github.steveice10.mc.protocol;
 
 public class MinecraftConstants {
     // General Constants
-    public static final String GAME_VERSION = "1.13";
-    public static final int PROTOCOL_VERSION = 393;
+    public static final String GAME_VERSION = "1.13.1";
+    public static final int PROTOCOL_VERSION = 401;
 
     // General Key Constants
     public static final String PROFILE_KEY = "profile";
diff --git a/src/main/java/com/github/steveice10/mc/protocol/data/MagicValues.java b/src/main/java/com/github/steveice10/mc/protocol/data/MagicValues.java
index ca9a35d7..85b27c7b 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/data/MagicValues.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/data/MagicValues.java
@@ -334,56 +334,63 @@ public class MagicValues {
 
         register(GlobalEntityType.LIGHTNING_BOLT, 1);
 
-        register(MobType.ELDER_GUARDIAN, 4);
-        register(MobType.WITHER_SKELETON, 5);
-        register(MobType.STRAY, 6);
-        register(MobType.HUSK, 23);
-        register(MobType.ZOMBIE_VILLAGER, 27);
-        register(MobType.SKELETON_HORSE, 28);
-        register(MobType.ZOMBIE_HORSE, 29);
-        register(MobType.ARMOR_STAND, 30);
-        register(MobType.DONKEY, 31);
-        register(MobType.MULE, 32);
-        register(MobType.EVOCATION_ILLAGER, 34);
-        register(MobType.VEX, 35);
-        register(MobType.VINDICATION_ILLAGER, 36);
-        register(MobType.ILLUSION_ILLAGER, 37);
-        register(MobType.CREEPER, 50);
-        register(MobType.SKELETON, 51);
-        register(MobType.SPIDER, 52);
-        register(MobType.GIANT_ZOMBIE, 53);
-        register(MobType.ZOMBIE, 54);
-        register(MobType.SLIME, 55);
-        register(MobType.GHAST, 56);
-        register(MobType.ZOMBIE_PIGMAN, 57);
-        register(MobType.ENDERMAN, 58);
-        register(MobType.CAVE_SPIDER, 59);
-        register(MobType.SILVERFISH, 60);
-        register(MobType.BLAZE, 61);
-        register(MobType.MAGMA_CUBE, 62);
-        register(MobType.ENDER_DRAGON, 63);
-        register(MobType.WITHER, 64);
-        register(MobType.BAT, 65);
-        register(MobType.WITCH, 66);
-        register(MobType.ENDERMITE, 67);
-        register(MobType.GUARDIAN, 68);
-        register(MobType.SHULKER, 69);
-        register(MobType.PIG, 90);
-        register(MobType.SHEEP, 91);
-        register(MobType.COW, 92);
-        register(MobType.CHICKEN, 93);
-        register(MobType.SQUID, 94);
-        register(MobType.WOLF, 95);
-        register(MobType.MOOSHROOM, 96);
-        register(MobType.SNOWMAN, 97);
-        register(MobType.OCELOT, 98);
-        register(MobType.IRON_GOLEM, 99);
-        register(MobType.HORSE, 100);
-        register(MobType.RABBIT, 101);
-        register(MobType.POLAR_BEAR, 102);
-        register(MobType.LLAMA, 103);
-        register(MobType.PARROT, 105);
-        register(MobType.VILLAGER, 120);
+        register(MobType.BAT, 3);
+        register(MobType.BLAZE, 4);
+        register(MobType.CAVE_SPIDER, 6);
+        register(MobType.CHICKEN, 7);
+        register(MobType.COD, 8);
+        register(MobType.COW, 9);
+        register(MobType.CREEPER, 10);
+        register(MobType.DONKEY, 11);
+        register(MobType.DOLPHIN, 12);
+        register(MobType.DROWNED, 14);
+        register(MobType.ELDER_GUARDIAN, 15);
+        register(MobType.ENDER_DRAGON, 17);
+        register(MobType.ENDERMAN, 18);
+        register(MobType.ENDERMITE, 19);
+        register(MobType.EVOCATION_ILLAGER, 21);
+        register(MobType.GHAST, 26);
+        register(MobType.GIANT_ZOMBIE, 27);
+        register(MobType.GUARDIAN, 28);
+        register(MobType.HORSE, 29);
+        register(MobType.HUSK, 30);
+        register(MobType.ILLUSION_ILLAGER, 31);
+        register(MobType.LLAMA, 36);
+        register(MobType.MAGMA_CUBE, 38);
+        register(MobType.MULE, 46);
+        register(MobType.MOOSHROOM, 47);
+        register(MobType.OCELOT, 48);
+        register(MobType.PARROT, 50);
+        register(MobType.PIG, 51);
+        register(MobType.PUFFERFISH, 52);
+        register(MobType.ZOMBIE_PIGMAN, 53);
+        register(MobType.POLAR_BEAR, 54);
+        register(MobType.RABBIT, 56);
+        register(MobType.SALMON, 57);
+        register(MobType.SHEEP, 58);
+        register(MobType.SHULKER, 59);
+        register(MobType.SILVERFISH, 61);
+        register(MobType.SKELETON, 62);
+        register(MobType.SKELETON_HORSE, 63);
+        register(MobType.SLIME, 64);
+        register(MobType.SNOWMAN, 66);
+        register(MobType.SPIDER, 69);
+        register(MobType.SQUID, 70);
+        register(MobType.STRAY, 71);
+        register(MobType.TROPICAL_FISH, 72);
+        register(MobType.TURTLE, 73);
+        register(MobType.VEX, 78);
+        register(MobType.VILLAGER, 79);
+        register(MobType.IRON_GOLEM, 80);
+        register(MobType.VINDICATION_ILLAGER, 81);
+        register(MobType.WITCH, 82);
+        register(MobType.WITHER, 83);
+        register(MobType.WITHER_SKELETON, 84);
+        register(MobType.WOLF, 86);
+        register(MobType.ZOMBIE, 87);
+        register(MobType.ZOMBIE_HORSE, 88);
+        register(MobType.ZOMBIE_VILLAGER, 89);
+        register(MobType.PHANTOM, 90);
 
         register(ObjectType.BOAT, 1);
         register(ObjectType.ITEM, 2);
@@ -412,6 +419,7 @@ public class MagicValues {
         register(ObjectType.FISH_HOOK, 90);
         register(ObjectType.SPECTRAL_ARROW, 91);
         register(ObjectType.DRAGON_FIREBALL, 93);
+        register(ObjectType.TRIDENT, 94);
 
         register(MinecartType.NORMAL, 0);
         register(MinecartType.CHEST, 1);
diff --git a/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/MobType.java b/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/MobType.java
index de3d28a8..4b214178 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/MobType.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/MobType.java
@@ -1,54 +1,61 @@
 package com.github.steveice10.mc.protocol.data.game.entity.type;
 
 public enum MobType {
-    ELDER_GUARDIAN,
-    WITHER_SKELETON,
-    STRAY,
-    HUSK,
-    ZOMBIE_VILLAGER,
-    SKELETON_HORSE,
-    ZOMBIE_HORSE,
-    ARMOR_STAND,
-    DONKEY,
-    MULE,
-    EVOCATION_ILLAGER,
-    VEX,
-    VINDICATION_ILLAGER,
-    ILLUSION_ILLAGER,
-    CREEPER,
-    SKELETON,
-    SPIDER,
-    GIANT_ZOMBIE,
-    ZOMBIE,
-    SLIME,
-    GHAST,
-    ZOMBIE_PIGMAN,
-    ENDERMAN,
-    CAVE_SPIDER,
-    SILVERFISH,
-    BLAZE,
-    MAGMA_CUBE,
-    ENDER_DRAGON,
-    WITHER,
     BAT,
-    WITCH,
-    ENDERMITE,
-    GUARDIAN,
-    SHULKER,
-    PIG,
-    SHEEP,
-    COW,
+    BLAZE,
+    CAVE_SPIDER,
     CHICKEN,
-    SQUID,
-    WOLF,
-    MOOSHROOM,
-    SNOWMAN,
-    OCELOT,
-    IRON_GOLEM,
+    COD,
+    COW,
+    CREEPER,
+    DONKEY,
+    DOLPHIN,
+    DROWNED,
+    ELDER_GUARDIAN,
+    ENDER_DRAGON,
+    ENDERMAN,
+    ENDERMITE,
+    EVOCATION_ILLAGER,
+    GHAST,
+    GIANT_ZOMBIE,
+    GUARDIAN,
     HORSE,
-    RABBIT,
-    POLAR_BEAR,
+    HUSK,
+    ILLUSION_ILLAGER,
     LLAMA,
+    MAGMA_CUBE,
+    MULE,
+    MOOSHROOM,
+    OCELOT,
     PARROT,
-    VILLAGER;
+    PIG,
+    PUFFERFISH,
+    ZOMBIE_PIGMAN,
+    POLAR_BEAR,
+    RABBIT,
+    SALMON,
+    SHEEP,
+    SHULKER,
+    SILVERFISH,
+    SKELETON,
+    SKELETON_HORSE,
+    SLIME,
+    SNOWMAN,
+    SPIDER,
+    SQUID,
+    STRAY,
+    TROPICAL_FISH,
+    TURTLE,
+    VEX,
+    VILLAGER,
+    IRON_GOLEM,
+    VINDICATION_ILLAGER,
+    WITCH,
+    WITHER,
+    WITHER_SKELETON,
+    WOLF,
+    ZOMBIE,
+    ZOMBIE_HORSE,
+    ZOMBIE_VILLAGER,
+    PHANTOM;
 }
diff --git a/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/object/ObjectType.java b/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/object/ObjectType.java
index fdcac8fe..31cffb62 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/object/ObjectType.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/data/game/entity/type/object/ObjectType.java
@@ -27,5 +27,6 @@ public enum ObjectType {
     FISH_HOOK,
     SPECTRAL_ARROW,
     TIPPED_ARROW,
-    DRAGON_FIREBALL;
+    DRAGON_FIREBALL,
+    TRIDENT;
 }
diff --git a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/server/ServerBossBarPacket.java b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/server/ServerBossBarPacket.java
index 31be52e2..9b53d308 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/server/ServerBossBarPacket.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/server/ServerBossBarPacket.java
@@ -21,13 +21,14 @@ public class ServerBossBarPacket extends MinecraftPacket {
     private BossBarColor color;
     private BossBarDivision division;
     private boolean darkenSky;
-    private boolean dragonBar;
+    private boolean playEndMusic;
+    private boolean showFog;
 
     @SuppressWarnings("unused")
     private ServerBossBarPacket() {
     }
 
-    public ServerBossBarPacket(UUID uuid, BossBarAction action, Message title, float health, BossBarColor color, BossBarDivision division, boolean darkenSky, boolean dragonBar) {
+    public ServerBossBarPacket(UUID uuid, BossBarAction action, Message title, float health, BossBarColor color, BossBarDivision division, boolean darkenSky, boolean playEndMusic, boolean showFog) {
         this.uuid = uuid;
         this.action = BossBarAction.ADD;
 
@@ -36,7 +37,8 @@ public class ServerBossBarPacket extends MinecraftPacket {
         this.color = color;
         this.division = division;
         this.darkenSky = darkenSky;
-        this.dragonBar = dragonBar;
+        this.playEndMusic = playEndMusic;
+        this.showFog = showFog;
     }
 
     public ServerBossBarPacket(UUID uuid) {
@@ -66,12 +68,13 @@ public class ServerBossBarPacket extends MinecraftPacket {
         this.division = division;
     }
 
-    public ServerBossBarPacket(UUID uuid, BossBarAction action, boolean darkenSky, boolean dragonBar) {
+    public ServerBossBarPacket(UUID uuid, BossBarAction action, boolean darkenSky, boolean playEndMusic, boolean showFog) {
         this.uuid = uuid;
         this.action = BossBarAction.UPDATE_FLAGS;
 
         this.darkenSky = darkenSky;
-        this.dragonBar = dragonBar;
+        this.playEndMusic = playEndMusic;
+        this.showFog = showFog;
     }
 
     public UUID getUUID() {
@@ -102,8 +105,12 @@ public class ServerBossBarPacket extends MinecraftPacket {
         return this.darkenSky;
     }
 
-    public boolean isDragonBar() {
-        return this.dragonBar;
+    public boolean shouldPlayEndMusic() {
+        return this.playEndMusic;
+    }
+
+    public boolean shouldShowFog() {
+        return this.showFog;
     }
 
     @Override
@@ -127,7 +134,8 @@ public class ServerBossBarPacket extends MinecraftPacket {
         if(this.action == BossBarAction.ADD || this.action == BossBarAction.UPDATE_FLAGS) {
             int flags = in.readUnsignedByte();
             this.darkenSky = (flags & 0x1) == 0x1;
-            this.dragonBar = (flags & 0x2) == 0x2;
+            this.playEndMusic = (flags & 0x2) == 0x2;
+            this.showFog = (flags & 0x4) == 0x4;
         }
     }
 
@@ -155,10 +163,14 @@ public class ServerBossBarPacket extends MinecraftPacket {
                 flags |= 0x1;
             }
 
-            if(this.dragonBar) {
+            if(this.playEndMusic) {
                 flags |= 0x2;
             }
 
+            if(this.showFog) {
+                flags |= 0x4;
+            }
+
             out.writeByte(flags);
         }
     }