diff --git a/qml/pages/AboutPage.qml b/qml/pages/AboutPage.qml
index c28f5e8..f0080da 100644
--- a/qml/pages/AboutPage.qml
+++ b/qml/pages/AboutPage.qml
@@ -59,7 +59,7 @@ Page {
             }
 
             Label {
-                text: "Fernschreiber 0.5"
+                text: "Fernschreiber 0.5.1"
                 horizontalAlignment: Text.AlignHCenter
                 font.pixelSize: Theme.fontSizeExtraLarge
                 anchors {
diff --git a/src/tdlibwrapper.cpp b/src/tdlibwrapper.cpp
index 64f2edf..ab4974c 100644
--- a/src/tdlibwrapper.cpp
+++ b/src/tdlibwrapper.cpp
@@ -1289,7 +1289,7 @@ void TDLibWrapper::setInitialParameters()
     QSettings hardwareSettings("/etc/hw-release", QSettings::NativeFormat);
     initialParameters.insert("device_model", hardwareSettings.value("NAME", "Unknown Mobile Device").toString());
     initialParameters.insert("system_version", QSysInfo::prettyProductName());
-    initialParameters.insert("application_version", "0.5");
+    initialParameters.insert("application_version", "0.5.1");
     initialParameters.insert("enable_storage_optimizer", appSettings->storageOptimizer());
     // initialParameters.insert("use_test_dc", true);
     requestObject.insert("parameters", initialParameters);