diff --git a/pom.xml b/pom.xml
index 8ed9d01b..f5675830 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>LibsDisguises</groupId>
 	<artifactId>LibsDisguises</artifactId>
-	<version>9.0.7-SNAPSHOT</version>
+	<version>9.0.8</version>
 
 	<build>
 		<sourceDirectory>src</sourceDirectory>
diff --git a/src/me/libraryaddict/disguise/LibsDisguises.java b/src/me/libraryaddict/disguise/LibsDisguises.java
index cfdb8145..55a364c3 100644
--- a/src/me/libraryaddict/disguise/LibsDisguises.java
+++ b/src/me/libraryaddict/disguise/LibsDisguises.java
@@ -62,6 +62,29 @@ public class LibsDisguises extends JavaPlugin
     @Override
     public void onEnable()
     {
+        try
+        {
+            Class.forName("com.comphenix.protocol.wrappers.Vector3F").getName();
+        }
+        catch (Exception ex)
+        {
+            System.err.println("[LibsDisguises] Lib's Disguises failed to startup, outdated ProtocolLib!");
+            System.err.println(
+                    "[LibsDisguises] You need to update ProtocolLib, please try this build http://ci.dmulloy2.net/job/ProtocolLib/lastStableBuild/artifact/modules/ProtocolLib/target/ProtocolLib.jar");
+            return;
+        }
+
+        try
+        {
+            ReflectionManager.getNmsClass("EntityShulker").getName();
+        }
+        catch (Exception ex)
+        {
+            System.err.println("[LibsDisguises] Lib's Disguises failed to startup, outdated server!");
+            System.err.println("[LibsDisguises] This plugin does not offer backwards support!");
+            return;
+        }
+
         getLogger().info("Discovered MC version: " + ReflectionManager.getBukkitVersion());
 
         saveDefaultConfig();