diff --git a/main.cpp b/main.cpp
index 6cd98d3..f7b4916 100644
--- a/main.cpp
+++ b/main.cpp
@@ -112,14 +112,24 @@ int main(int argc, char *argv[]) {
         QCoreApplication::translate("main", "Start ATBUpdateTool in dry-run-mode. No actual actions."));
     parser.addOption(dryRunOption);
 
+    QCommandLineOption extendedVersionOption(QStringList() << "V" << "extended-version",
+        QCoreApplication::translate("main", "Show extended version (including last git commit)."));
+    parser.addOption(extendedVersionOption);
+
     // Process the actual command line arguments given by the user
     parser.process(a);
     QString plugInDir = parser.value(pluginDirectoryOption);
     QString plugInName = parser.value(pluginNameOption);
     QString workingDir = parser.value(workingDirectoryOption);
-    bool dryRun = parser.isSet(dryRunOption);
+    bool const dryRun = parser.isSet(dryRunOption);
+    bool const showExtendedVersion = parser.isSet(extendedVersionOption);
     QString const rtPath = QCoreApplication::applicationDirPath();
 
+    if (showExtendedVersion) {
+        printf(APP_EXTENDED_VERSION"\n");
+        return 0;
+    }
+
     if (!QDir(plugInDir).exists()) {
         qCritical() << plugInDir
                     << "does not exists, but has to contain dc-library";