diff --git a/paper-server/pom.xml b/paper-server/pom.xml
index f70c0e6079..aaadb7f6da 100644
--- a/paper-server/pom.xml
+++ b/paper-server/pom.xml
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>org.bukkit</groupId>
       <artifactId>minecraft-server</artifactId>
-      <version>1.6.5</version>
+      <version>1.6.6</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 9355786e23..dd35d2453a 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -59,7 +59,7 @@ import org.bukkit.util.config.Configuration;
 public final class CraftServer implements Server {
     private final String serverName = "Craftbukkit";
     private final String serverVersion;
-    private final String protocolVersion = "1.6.5";
+    private final String protocolVersion = "1.6.6";
     private final PluginManager pluginManager = new SimplePluginManager(this);
     private final ServicesManager servicesManager = new SimpleServicesManager();
     private final BukkitScheduler scheduler =  new CraftScheduler(this);