diff --git a/pom.xml b/pom.xml
index 1505c64..391df44 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <groupId>com.lishid</groupId>
     <artifactId>openinv</artifactId>
     <packaging>jar</packaging>
-    <version>2.3.4</version>
+    <version>2.3.5</version>
     <name>OpenInv</name>
     <url>http://dev.bukkit.org/bukkit-plugins/openinv/</url>
 
@@ -23,14 +23,14 @@
         <dependency>
             <groupId>org.bukkit</groupId>
             <artifactId>bukkit</artifactId>
-            <version>1.8.8-R0.1-SNAPSHOT</version>
+            <version>1.9-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>org.bukkit</groupId>
             <artifactId>craftbukkit</artifactId>
-            <version>1.8.8-R0.1-SNAPSHOT</version>
+            <version>1.9-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/src/main/java/com/lishid/openinv/internal/AnySilentChest.java b/src/main/java/com/lishid/openinv/internal/AnySilentChest.java
index 6c88ad6..0f4fb06 100644
--- a/src/main/java/com/lishid/openinv/internal/AnySilentChest.java
+++ b/src/main/java/com/lishid/openinv/internal/AnySilentChest.java
@@ -23,9 +23,10 @@ import org.bukkit.entity.Player;
 import com.lishid.openinv.OpenInv;
 
 // Volatile
-import net.minecraft.server.v1_8_R3.*;
+import net.minecraft.server.v1_9_R1.*;
+import net.minecraft.server.v1_9_R1.BlockChest.Type;
 
-import org.bukkit.craftbukkit.v1_8_R3.entity.*;
+import org.bukkit.craftbukkit.v1_9_R1.entity.*;
 
 public class AnySilentChest {
     public boolean isAnyChestNeeded(Player p, int x, int y, int z) {
@@ -33,7 +34,7 @@ public class AnySilentChest {
         BlockPosition position = new BlockPosition(x, y, z);
         EntityPlayer player = ((CraftPlayer) p).getHandle();
         World world = player.world;
-        BlockChest chest = (BlockChest) (((BlockChest) world.getType(position).getBlock()).b == 1 ?
+        BlockChest chest = (BlockChest) (((BlockChest) world.getType(position).getBlock()).g == Type.TRAP ?
                 Block.getByName("trapped_chest") : Block.getByName("chest"));
 
         // If block on top
@@ -59,7 +60,11 @@ public class AnySilentChest {
     }
 
     private boolean blockOnTop(World world, BlockPosition position) {
-        return world.getType(position.up()).getBlock().isOccluding();
+        // return world.getType(position.up()).getBlock().isOccluding();
+
+        // TODO: Does this work?
+        Block block = world.getType(position.up()).getBlock();
+        return block.isOccluding(block.getBlockData());
     }
 
     private boolean ocelotOnTop(World world, BlockPosition position) {
@@ -89,7 +94,7 @@ public class AnySilentChest {
             return true;
         }
 
-        BlockChest chest = (BlockChest) (((BlockChest) world.getType(position).getBlock()).b == 1 ?
+        BlockChest chest = (BlockChest) (((BlockChest) world.getType(position).getBlock()).g == Type.TRAP ?
                 Block.getByName("trapped_chest") : Block.getByName("chest"));
 
         TileEntity tileEntity = world.getTileEntity(position);
diff --git a/src/main/java/com/lishid/openinv/internal/EnumDirectionList.java b/src/main/java/com/lishid/openinv/internal/EnumDirectionList.java
index 56c5b48..fece744 100644
--- a/src/main/java/com/lishid/openinv/internal/EnumDirectionList.java
+++ b/src/main/java/com/lishid/openinv/internal/EnumDirectionList.java
@@ -4,16 +4,16 @@ import java.util.Iterator;
 
 import com.google.common.collect.Iterators;
 
-import net.minecraft.server.v1_8_R3.EnumDirection;
-import net.minecraft.server.v1_8_R3.EnumDirection.EnumDirectionLimit;
+import net.minecraft.server.v1_9_R1.EnumDirection;
+import net.minecraft.server.v1_9_R1.EnumDirection.EnumDirectionLimit;
 
 public enum EnumDirectionList implements Iterable<EnumDirection> {
     HORIZONTAL(EnumDirectionLimit.HORIZONTAL),
     VERTICAL(EnumDirectionLimit.VERTICAL);
 
-    private final EnumDirectionLimit list;
+    private final EnumDirection.EnumDirectionLimit list;
 
-    private EnumDirectionList(EnumDirectionLimit list) {
+    EnumDirectionList(EnumDirection.EnumDirectionLimit list) {
         this.list = list;
     }
 
diff --git a/src/main/java/com/lishid/openinv/internal/InventoryAccess.java b/src/main/java/com/lishid/openinv/internal/InventoryAccess.java
index 9d6940b..ef1357f 100644
--- a/src/main/java/com/lishid/openinv/internal/InventoryAccess.java
+++ b/src/main/java/com/lishid/openinv/internal/InventoryAccess.java
@@ -25,9 +25,9 @@ import com.lishid.openinv.OpenInv;
 import com.lishid.openinv.Permissions;
 
 // Volatile
-import net.minecraft.server.v1_8_R3.*;
+import net.minecraft.server.v1_9_R1.*;
 
-import org.bukkit.craftbukkit.v1_8_R3.inventory.*;
+import org.bukkit.craftbukkit.v1_9_R1.inventory.*;
 
 public class InventoryAccess {
     public boolean check(Inventory inventory, HumanEntity player) {
@@ -49,16 +49,17 @@ public class InventoryAccess {
     }
     
     private IInventory grabInventory(Inventory inventory) {
-        if(inventory instanceof CraftInventory) {
+        if (inventory instanceof CraftInventory) {
             return ((CraftInventory) inventory).getInventory();
         }
         
         // Use reflection to find the inventory
         Class<? extends Inventory> clazz = inventory.getClass();
         IInventory result = null;
-        for(Field f : clazz.getDeclaredFields()) {
+        for (Field f : clazz.getDeclaredFields()) {
             f.setAccessible(true);
-            if(IInventory.class.isAssignableFrom(f.getDeclaringClass())) {
+            
+            if (IInventory.class.isAssignableFrom(f.getDeclaringClass())) {
                 try {
                     result = (IInventory) f.get(inventory);
                 }
diff --git a/src/main/java/com/lishid/openinv/internal/PlayerDataManager.java b/src/main/java/com/lishid/openinv/internal/PlayerDataManager.java
index d6fa177..9a06cbb 100644
--- a/src/main/java/com/lishid/openinv/internal/PlayerDataManager.java
+++ b/src/main/java/com/lishid/openinv/internal/PlayerDataManager.java
@@ -26,9 +26,9 @@ import com.lishid.openinv.OpenInv;
 import com.mojang.authlib.GameProfile;
 
 // Volatile
-import net.minecraft.server.v1_8_R3.*;
+import net.minecraft.server.v1_9_R1.*;
 
-import org.bukkit.craftbukkit.v1_8_R3.*;
+import org.bukkit.craftbukkit.v1_9_R1.*;
 
 public class PlayerDataManager {
     public Player loadPlayer(UUID uuid) {
diff --git a/src/main/java/com/lishid/openinv/internal/SilentContainerChest.java b/src/main/java/com/lishid/openinv/internal/SilentContainerChest.java
index b9bc4be..2be1435 100644
--- a/src/main/java/com/lishid/openinv/internal/SilentContainerChest.java
+++ b/src/main/java/com/lishid/openinv/internal/SilentContainerChest.java
@@ -17,7 +17,7 @@
 package com.lishid.openinv.internal;
 
 // Volatile
-import net.minecraft.server.v1_8_R3.*;
+import net.minecraft.server.v1_9_R1.*;
 
 public class SilentContainerChest extends ContainerChest {
     public IInventory inv;
diff --git a/src/main/java/com/lishid/openinv/internal/SilentInventory.java b/src/main/java/com/lishid/openinv/internal/SilentInventory.java
index a2f50a6..b05211c 100644
--- a/src/main/java/com/lishid/openinv/internal/SilentInventory.java
+++ b/src/main/java/com/lishid/openinv/internal/SilentInventory.java
@@ -2,12 +2,13 @@ package com.lishid.openinv.internal;
 
 import java.util.List;
 
-import org.bukkit.craftbukkit.v1_8_R3.entity.CraftHumanEntity;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_9_R1.entity.CraftHumanEntity;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.inventory.InventoryHolder;
 
 // Volatile
-import net.minecraft.server.v1_8_R3.*;
+import net.minecraft.server.v1_9_R1.*;
 
 public class SilentInventory implements ITileInventory {
     public ITileInventory inv;
@@ -17,8 +18,8 @@ public class SilentInventory implements ITileInventory {
     }
 
     @Override
-    public boolean r_() {
-        return inv.r_();
+    public boolean x_() {
+        return inv.x_();
     }
 
     @Override
@@ -27,8 +28,8 @@ public class SilentInventory implements ITileInventory {
     }
 
     @Override
-    public ChestLock i() {
-        return inv.i();
+    public ChestLock y_() {
+        return inv.y_();
     }
 
     @Override
@@ -92,8 +93,8 @@ public class SilentInventory implements ITileInventory {
     }
 
     @Override
-    public void b(int i, int i1) {
-        inv.b(i, i1);
+    public void setProperty(int i, int i1) {
+        inv.setProperty(i, i1);
     }
 
     @Override
@@ -136,6 +137,11 @@ public class SilentInventory implements ITileInventory {
         inv.setMaxStackSize(i);
     }
 
+    @Override
+    public Location getLocation() {
+        return inv.getLocation();
+    }
+
     @Override
     public String getName() {
         return inv.getName();
diff --git a/src/main/java/com/lishid/openinv/internal/SpecialEnderChest.java b/src/main/java/com/lishid/openinv/internal/SpecialEnderChest.java
index 91f7b94..40d4a5d 100644
--- a/src/main/java/com/lishid/openinv/internal/SpecialEnderChest.java
+++ b/src/main/java/com/lishid/openinv/internal/SpecialEnderChest.java
@@ -23,10 +23,10 @@ import org.bukkit.inventory.InventoryHolder;
 import com.lishid.openinv.OpenInv;
 
 // Volatile
-import net.minecraft.server.v1_8_R3.*;
+import net.minecraft.server.v1_9_R1.*;
 
-import org.bukkit.craftbukkit.v1_8_R3.entity.*;
-import org.bukkit.craftbukkit.v1_8_R3.inventory.*;
+import org.bukkit.craftbukkit.v1_9_R1.entity.*;
+import org.bukkit.craftbukkit.v1_9_R1.inventory.*;
 
 public class SpecialEnderChest extends InventorySubcontainer {
     private final CraftInventory inventory = new CraftInventory(this);
diff --git a/src/main/java/com/lishid/openinv/internal/SpecialPlayerInventory.java b/src/main/java/com/lishid/openinv/internal/SpecialPlayerInventory.java
index fe1cdad..390dc03 100644
--- a/src/main/java/com/lishid/openinv/internal/SpecialPlayerInventory.java
+++ b/src/main/java/com/lishid/openinv/internal/SpecialPlayerInventory.java
@@ -22,11 +22,16 @@ import org.bukkit.inventory.Inventory;
 import com.lishid.openinv.OpenInv;
 
 // Volatile
-import net.minecraft.server.v1_8_R3.*;
+import net.minecraft.server.v1_9_R1.*;
 
-import org.bukkit.craftbukkit.v1_8_R3.entity.*;
-import org.bukkit.craftbukkit.v1_8_R3.inventory.*;
+import org.bukkit.craftbukkit.v1_9_R1.entity.*;
+import org.bukkit.craftbukkit.v1_9_R1.inventory.*;
 
+/*
+ * -----------------------------------------------
+ * This class still needs to be updated for 1.9.
+ * -----------------------------------------------
+ */
 public class SpecialPlayerInventory extends PlayerInventory {
     private final CraftInventory inventory = new CraftInventory(this);
     private final ItemStack[] extra = new ItemStack[5];
diff --git a/src/main/java/com/lishid/openinv/listeners/OpenInvEntityListener.java b/src/main/java/com/lishid/openinv/listeners/OpenInvEntityListener.java
index 3508af5..25b6785 100644
--- a/src/main/java/com/lishid/openinv/listeners/OpenInvEntityListener.java
+++ b/src/main/java/com/lishid/openinv/listeners/OpenInvEntityListener.java
@@ -38,7 +38,7 @@ public class OpenInvEntityListener implements Listener {
 
         Player player = (Player) attacker;
 
-        if (player.getItemInHand().getType() == OpenInv.getOpenInvItem()) {
+        if (player.getInventory().getItemInMainHand().getType() == OpenInv.getOpenInvItem()) {
             if (!OpenInv.getPlayerItemOpenInvStatus(player) || !OpenInv.hasPermission(player, Permissions.PERM_OPENINV)) {
                 return;
             }
diff --git a/src/main/java/com/lishid/openinv/listeners/OpenInvPlayerListener.java b/src/main/java/com/lishid/openinv/listeners/OpenInvPlayerListener.java
index 2c479f0..5e1f42b 100644
--- a/src/main/java/com/lishid/openinv/listeners/OpenInvPlayerListener.java
+++ b/src/main/java/com/lishid/openinv/listeners/OpenInvPlayerListener.java
@@ -143,7 +143,7 @@ public class OpenInvPlayerListener implements Listener {
                 }
             case RIGHT_CLICK_AIR:
                 // OpenInv item
-                if (player.getItemInHand().getType() == OpenInv.getOpenInvItem() && OpenInv.getPlayerItemOpenInvStatus(player) && OpenInv.hasPermission(player, Permissions.PERM_OPENINV)) {
+                if (player.getInventory().getItemInMainHand().getType() == OpenInv.getOpenInvItem() && OpenInv.getPlayerItemOpenInvStatus(player) && OpenInv.hasPermission(player, Permissions.PERM_OPENINV)) {
                     player.performCommand("openinv");
                 }
         }
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index fc8109c..c05d306 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 name: OpenInv
 main: com.lishid.openinv.OpenInv
-version: 2.3.4
+version: 2.3.5
 author: lishid
 description: >
              This plugin allows you to open a player's inventory as a chest and interact with it in real time.