diff --git a/build.gradle b/build.gradle
index d0992f6b4b1..50695eb6009 100644
--- a/build.gradle
+++ b/build.gradle
@@ -67,7 +67,7 @@ dependencies {
 }
 
 shadowJar {
-    archiveFileName = 'addressbook.jar'
+    archiveFileName = 'letracker.jar'
 }
 
 defaultTasks 'clean', 'test'
diff --git a/src/main/java/seedu/address/MainApp.java b/src/main/java/seedu/address/MainApp.java
index fa903d86abc..4abe4f78159 100644
--- a/src/main/java/seedu/address/MainApp.java
+++ b/src/main/java/seedu/address/MainApp.java
@@ -36,7 +36,7 @@
  */
 public class MainApp extends Application {
 
-    public static final Version VERSION = new Version(0, 2, 0, true);
+    public static final Version VERSION = new Version(1, 2, 1, true);
 
     private static final Logger logger = LogsCenter.getLogger(MainApp.class);