diff --git a/ogre-v2-mesh-viewer.pro b/ogre-v2-mesh-viewer.pro
index 1d0c44f..27ee849 100644
--- a/ogre-v2-mesh-viewer.pro
+++ b/ogre-v2-mesh-viewer.pro
@@ -3,7 +3,7 @@ message(Qt version: $$[QT_VERSION])
 
 QT += widgets
 CONFIG -= flat
-DEFINES += APP_VERSION_NUMBER=\\\"0.3.3\\\"
+DEFINES += APP_VERSION_NUMBER=\\\"0.4.0\\\"
 
 OGREHOME = $$(OGREHOME)
 isEmpty(OGREHOME) {
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 205b630..1c4db7b 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -75,7 +75,7 @@ MainWindow::MainWindow()
     createDockWindows();
 
     // Set the title
-    setWindowTitle("Ogre v2 Mesh Viewer [v0.3.3]");
+    setWindowTitle("Ogre v2 Mesh Viewer [v0.4.0]");
     readSettings();
 
     connect(mOgreManager, &OgreManager::sceneCreated, this, &MainWindow::onSceneLoaded);