diff --git a/mars/tools/StackVisualizer.java b/mars/tools/StackVisualizer.java
index a5bb3be..4a1ea25 100644
--- a/mars/tools/StackVisualizer.java
+++ b/mars/tools/StackVisualizer.java
@@ -42,10 +42,10 @@
 public class StackVisualizer extends AbstractMarsToolAndApplication {
 
 	private static String name        = "Stack Visualizer";
-	private static String versionID   = "0.8";
+	private static String versionID   = "0.9";
 	private static String version     = "Version " + versionID + " (George Z. Zachos, Petros Manousis)";
 	private static String heading     = "Visualizing Stack Modification Operations";
-	private static String releaseDate = "22-Oct-2018";
+	private static String releaseDate = "24-Oct-2018";
 
 	private static boolean displayDataPerByte = false;