diff --git a/MinecraftClient/Program.cs b/MinecraftClient/Program.cs
index 2038c34c..988f77ee 100644
--- a/MinecraftClient/Program.cs
+++ b/MinecraftClient/Program.cs
@@ -22,7 +22,7 @@ namespace MinecraftClient
 
         public const string Version = "1.11.0 DEV";
         public const string MCLowestVersion = "1.4.6";
-        public const string MCHighestVersion = "1.11.0";
+        public const string MCHighestVersion = "1.11.1";
 
         private static Thread offlinePrompt = null;
         private static bool useMcVersionOnce = false;
diff --git a/MinecraftClient/Protocol/ProtocolHandler.cs b/MinecraftClient/Protocol/ProtocolHandler.cs
index 7e10e7a4..1987b1ff 100644
--- a/MinecraftClient/Protocol/ProtocolHandler.cs
+++ b/MinecraftClient/Protocol/ProtocolHandler.cs
@@ -108,7 +108,7 @@ namespace MinecraftClient.Protocol
             int[] supportedVersions_Protocol16 = { 51, 60, 61, 72, 73, 74, 78 };
             if (Array.IndexOf(supportedVersions_Protocol16, ProtocolVersion) > -1)
                 return new Protocol16Handler(Client, ProtocolVersion, Handler);
-            int[] supportedVersions_Protocol18 = { 4, 5, 47, 107, 108, 109, 110, 210, 315 };
+            int[] supportedVersions_Protocol18 = { 4, 5, 47, 107, 108, 109, 110, 210, 315, 316 };
             if (Array.IndexOf(supportedVersions_Protocol18, ProtocolVersion) > -1)
                 return new Protocol18Handler(Client, ProtocolVersion, Handler, forgeInfo);
             throw new NotSupportedException("The protocol version no." + ProtocolVersion + " is not supported.");
@@ -181,6 +181,8 @@ namespace MinecraftClient.Protocol
                     case "1.11":
                     case "1.11.0":
                         return 315;
+                    case "1.11.1":
+                        return 316;
                     default:
                         return 0;
                 }