diff --git a/pom.xml b/pom.xml
index 9fef15c4..50a75a83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.spacehq</groupId>
     <artifactId>mcprotocollib</artifactId>
-    <version>15w32c</version>
+    <version>15w33b-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>MCProtocolLib</name>
diff --git a/src/main/java/org/spacehq/mc/protocol/MinecraftConstants.java b/src/main/java/org/spacehq/mc/protocol/MinecraftConstants.java
index 23591786..576f48b8 100644
--- a/src/main/java/org/spacehq/mc/protocol/MinecraftConstants.java
+++ b/src/main/java/org/spacehq/mc/protocol/MinecraftConstants.java
@@ -2,8 +2,8 @@ package org.spacehq.mc.protocol;
 
 public class MinecraftConstants {
     // General Constants
-    public static final String GAME_VERSION = "15w32c";
-    public static final int PROTOCOL_VERSION = 54;
+    public static final String GAME_VERSION = "15w33b";
+    public static final int PROTOCOL_VERSION = 55;
 
     // General Key Constants
     public static final String PROFILE_KEY = "profile";