diff --git a/.gitignore b/.gitignore
index cd456c5..2bca8bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@
 *.py[oc]
 *.swp
 
+_buildid.py
+
 build/
 dist/
 
diff --git a/gui/mainwindow.ui b/gui/mainwindow.ui
index 1bd4d7b..74386db 100644
--- a/gui/mainwindow.ui
+++ b/gui/mainwindow.ui
@@ -17,7 +17,7 @@
    </sizepolicy>
   </property>
   <property name="windowTitle">
-   <string>Luftdaten.info Flashing Tool</string>
+   <string>Luftdaten.info Flashing Tool (v{version})</string>
   </property>
   <property name="windowIcon">
    <iconset>
@@ -279,6 +279,19 @@
         <property name="spacing">
          <number>12</number>
         </property>
+        <item row="1" column="1">
+         <widget class="QLabel" name="buildLabel">
+          <property name="font">
+           <font>
+            <weight>50</weight>
+            <bold>false</bold>
+           </font>
+          </property>
+          <property name="text">
+           <string>&lt;b&gt;Luftdaten.info Flashing Tool&lt;/b&gt;&lt;br/&gt;Build {build_id}</string>
+          </property>
+         </widget>
+        </item>
         <item row="1" column="0">
          <widget class="QLabel" name="label_6">
           <property name="maximumSize">
@@ -298,19 +311,6 @@
           </property>
          </widget>
         </item>
-        <item row="1" column="1">
-         <widget class="QLabel" name="label_7">
-          <property name="font">
-           <font>
-            <weight>75</weight>
-            <bold>true</bold>
-           </font>
-          </property>
-          <property name="text">
-           <string>Luftdaten.info Flashing Tool</string>
-          </property>
-         </widget>
-        </item>
         <item row="2" column="0" colspan="2">
          <widget class="QLabel" name="label_8">
           <property name="text">
diff --git a/luftdaten-tool.py b/luftdaten-tool.py
index a1c8fbe..f477ef1 100644
--- a/luftdaten-tool.py
+++ b/luftdaten-tool.py
@@ -11,6 +11,7 @@ import logging
 import requests
 from esptool import ESPLoader
 
+import luftdatentool
 from luftdatentool.qtvariant import QtGui, QtCore, QtWidgets
 from luftdatentool.utils import QuickThread
 from luftdatentool.workers import PortDetectThread, FirmwareListThread, \
@@ -87,6 +88,21 @@ class MainWindow(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
     def on_work_error(self, message):
         self.statusbar.showMessage(message)
 
+    @property
+    def version(self):
+        return luftdatentool.__version__
+
+    @property
+    def build_id(self):
+        try:
+            from luftdatentool._buildid import commit, builddate
+        except ImportError:
+            import datetime
+            commit = 'devel'
+            builddate = datetime.datetime.now().strftime('%Y%m%d')
+
+        return '{}-{}/{}'.format(self.version, commit, builddate)
+
     def i18n_init(self, locale):
         """Initializes i18n to specified QLocale"""
 
@@ -97,6 +113,13 @@ class MainWindow(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
         self.app.installTranslator(self.translator)
         self.retranslateUi(self)
 
+    def retranslateUi(self, win):
+        super(MainWindow, self).retranslateUi(win)
+
+        win.setWindowTitle(win.windowTitle().format(
+            version=self.version))
+        win.buildLabel.setText(win.buildLabel.text().format(
+            build_id=self.build_id))
     def populate_versions(self, files):
         """Loads available firmware versions into versionbox widget"""
 
diff --git a/luftdaten-tool.spec b/luftdaten-tool.spec
index c4eb8c4..14e09dc 100644
--- a/luftdaten-tool.spec
+++ b/luftdaten-tool.spec
@@ -2,6 +2,16 @@
 
 block_cipher = None
 
+import subprocess
+import datetime
+
+commit = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).strip().decode('utf-8')
+builddate = datetime.datetime.now().strftime('%Y%m%d')
+
+with open('luftdatentool/_buildid.py', 'w') as fd:
+    fd.write('''# This file is autogenerated in luftdaten-tool.spec file
+commit = "{commit}"
+builddate = "{builddate}"'''.format(commit=commit, builddate=builddate))
 
 a = Analysis(['luftdaten-tool.py'],
              pathex=['.'],
diff --git a/luftdatentool/__init__.py b/luftdatentool/__init__.py
index e69de29..b650ceb 100644
--- a/luftdatentool/__init__.py
+++ b/luftdatentool/__init__.py
@@ -0,0 +1 @@
+__version__ = '0.2'