diff --git a/app/build.gradle b/app/build.gradle
index aa4cbbd..dc083b3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.github.axet.audiorecorder"
         minSdkVersion 9
         targetSdkVersion 23
-        versionCode 122
-        versionName "1.4.20"
+        versionCode 123
+        versionName "1.4.21"
     }
     signingConfigs {
         release {
diff --git a/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java b/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java
index a4269e8..edb10ff 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java
@@ -20,6 +20,7 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -67,6 +68,10 @@ public class MainActivity extends AppCompatActivity {
 
         setContentView(R.layout.activity_main);
 
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD |
+                WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED |
+                WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
+
         storage = new Storage(this);
 
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);