diff --git a/main.go b/main.go
index d3e22bf..8531fe1 100644
--- a/main.go
+++ b/main.go
@@ -6,6 +6,8 @@ import (
 	"github.com/mappu/miqt/qt"
 )
 
+var Version string = "v0.0.0-devel"
+
 func main() {
 
 	_ = qt.NewQApplication(os.Args)
diff --git a/mainwindow.go b/mainwindow.go
index 2b26f5b..4a54a26 100644
--- a/mainwindow.go
+++ b/mainwindow.go
@@ -181,7 +181,7 @@ func (this *MainWindow) on_actionAbout_qbolt_triggered() {
 	qt.QMessageBox_About(
 		this.Widget(),
 		qt.QGuiApplication_ApplicationDisplayName(),
-		"<b>QBolt</b><br>Graphical interface for managing Bolt databases<br><br>"+
+		"<b>QBolt "+Version+"</b><br>Graphical interface for managing Bolt databases<br><br>"+
 			"- <a href='https://github.com/boltdb/bolt'>About BoltDB</a><br>"+
 			"- <a href='http://www.famfamfam.com/lab/icons/silk/'>FamFamFam &quot;Silk&quot; icon set</a><br>"+
 			"- <a href='https://code.ivysaur.me/qbolt'>QBolt homepage</a><br>",