diff --git a/src/org/ohdsi/rabbitInAHat/RabbitInAHatMain.java b/src/org/ohdsi/rabbitInAHat/RabbitInAHatMain.java
index 4832d6a7..d8c715b6 100644
--- a/src/org/ohdsi/rabbitInAHat/RabbitInAHatMain.java
+++ b/src/org/ohdsi/rabbitInAHat/RabbitInAHatMain.java
@@ -72,6 +72,7 @@ public class RabbitInAHatMain implements ResizeListener, ActionListener {
 	public final static String		ACTION_CMD_SET_TARGET_V4			= "CDM v4";
 	public final static String		ACTION_CMD_SET_TARGET_V5			= "CDM v5.0.0";
 	public final static String		ACTION_CMD_SET_TARGET_V501			= "CDM v5.0.1";
+	public final static String              ACTION_CMD_SET_TARGET_V510                      = "CDM v5.1.0";
 	public final static String		ACTION_ADD_STEM_TABLE				= "Add stem table";
 	public final static String		ACTION_CMD_SET_TARGET_CUSTOM		= "Load Custom...";
 	public final static String		ACTION_CMD_MARK_COMPLETED			= "Mark Highlighted As Complete";
@@ -263,6 +264,11 @@ private JMenuBar createMenuBar() {
 		targetCDMV501.addActionListener(this);
 		targetCDMV501.setActionCommand(ACTION_CMD_SET_TARGET_V501);
 		setTarget.add(targetCDMV501);
+		
+		JMenuItem targetCDMV510 = new JMenuItem(ACTION_CMD_SET_TARGET_V510);
+                targetCDMV510.addActionListener(this);
+                targetCDMV510.setActionCommand(ACTION_CMD_SET_TARGET_V510);
+                setTarget.add(targetCDMV510);
 
 		JMenuItem loadTarget = new JMenuItem(ACTION_CMD_SET_TARGET_CUSTOM);
 		loadTarget.addActionListener(this);
@@ -418,6 +424,9 @@ public void actionPerformed(ActionEvent event) {
 			case ACTION_CMD_SET_TARGET_V501:
 				doSetTargetCDM(CDMVersion.CDMV501);
 				break;
+			case ACTION_CMD_SET_TARGET_V510:
+                                doSetTargetCDM(CDMVersion.CDMV510);
+                                break;
 			case ACTION_CMD_SET_TARGET_CUSTOM:
 				doSetTargetCustom(chooseOpenPath(FILE_FILTER_CSV));
 				break;