diff --git a/grpcdemo.proto b/grpcdemo.proto
deleted file mode 100644
index 056f56c..0000000
--- a/grpcdemo.proto
+++ /dev/null
@@ -1,17 +0,0 @@
-// Protobuf Definitions For TundraWare Inc. grpc Demo
-
-
-// The date service
-
-service HostDateTime {
-
-  rpc GetDateTime () returns (CurrentDateTime) {}
-
-}
-
-// The response message containing the current date and time
-
-message CurrentDateTime {
-  string message = 1;
-
-}
diff --git a/proto/grpcdemo.proto b/proto/grpcdemo.proto
new file mode 100644
index 0000000..b7ace85
--- /dev/null
+++ b/proto/grpcdemo.proto
@@ -0,0 +1,26 @@
+// Protobuf Definitions For TundraWare Inc. grpc Demo
+
+// Using Protobuf 3
+
+syntax = "proto3";
+
+
+// The date service
+
+service HostDateTime {
+
+  rpc GetDateTime (Null) returns (CurrentDateTime) {}
+}
+
+// Argument placeholder
+
+message Null{
+  string null = 1;
+}
+
+
+// The response message containing the current date and time
+
+message CurrentDateTime {
+  string currentdatetime = 1;
+}