diff --git a/Minecraft.Server.FourKit/Material.cs b/Minecraft.Server.FourKit/Material.cs
index 982296be..56d562c9 100644
--- a/Minecraft.Server.FourKit/Material.cs
+++ b/Minecraft.Server.FourKit/Material.cs
@@ -166,11 +166,11 @@ public enum Material
     DROPPER = 158,
     STAINED_CLAY = 159,
     STAINED_GLASS_PANE = 160,
-    LEAVES2 = 161,
-    LOG2 = 162,
-    ACACIA_WOOD_STAIRS = 163,
-    DARK_OAK_WOOD_STAIRS = 164,
-    IRON_TRAP_DOOR = 167,
+    LEAVES_2 = 161,
+    LOG_2 = 162,
+    ACACIA_STAIRS = 163,
+    DARK_OAK_STAIRS = 164,
+    IRON_TRAPDOOR = 167,
     PRISMARINE = 168,
     SEA_LANTERN = 169,
     HAY_BLOCK = 170,
@@ -178,12 +178,12 @@ public enum Material
     HARD_CLAY = 172,
     COAL_BLOCK = 173,
     PACKED_ICE = 174,
-    TALL_GRASS2 = 175,
-    INVERTED_DAYLIGHT_DETECTOR = 178,
+    LONG_GRASS = 175,
+    DAYLIGHT_DETECTOR_INVERTED = 178,
     RED_SANDSTONE = 179,
     RED_SANDSTONE_STAIRS = 180,
-    DOUBLE_STEP2 = 181,
-    STEP2 = 182,
+    DOUBLE_STONE_SLAB2 = 181,
+    STONE_SLAB = 182,
     SPRUCE_FENCE_GATE = 183,
     BIRCH_FENCE_GATE = 184,
     JUNGLE_FENCE_GATE = 185,
@@ -194,6 +194,11 @@ public enum Material
     JUNGLE_FENCE = 190,
     DARK_OAK_FENCE = 191,
     ACACIA_FENCE = 192,
+    SPRUCE_DOOR = 193,
+    BIRCH_DOOR = 194,
+    JUNGLE_DOOR = 195,
+    ACACIA_DOOR = 196,
+    DARK_OAK_DOOR = 197,
     
 
     // items 
@@ -351,9 +356,9 @@ public enum Material
     HOPPER_MINECART = 408,
     PRISMARINE_SHARD = 409,
     PRISMARINE_CRYSTAL = 410,
-    RAW_RABBIT = 411,
+    RABBIT = 411,
     COOKED_RABBIT = 412,
-    RABBITS_FOOT = 414,
+    RABBIT_FOOT = 414,
     RABBIT_HIDE = 415,
     ARMOR_STAND = 416,
     IRON_BARDING = 417,
@@ -361,13 +366,13 @@ public enum Material
     DIAMOND_BARDING = 419,
     LEASH = 420,
     NAME_TAG = 421,
-    RAW_MUTTON = 423,
+    MUTTON = 423,
     COOKED_MUTTON = 424,
-    SPRUCE_DOOR = 427,
-    BIRCH_DOOR = 428,
-    JUNGLE_DOOR = 429,
-    ACACIA_DOOR = 430,
-    DARK_OAK_DOOR = 431,
+    SPRUCE_DOOR_ITEM = 427,
+    BIRCH_DOOR_ITEM = 428,
+    JUNGLE_DOOR_ITEM = 429,
+    ACACIA_DOOR_ITEM = 430,
+    DARK_OAK_DOOR_ITEM = 431,
     GOLD_RECORD = 2256,
     GREEN_RECORD = 2257,
     RECORD_3 = 2258,