diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 0387510..deb1de0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -21,6 +21,7 @@
 	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 	<uses-permission android:name="android.permission.CHANGE_WIFI_MULTICAST_STATE"/>
 	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" android:maxSdkVersion="22"/>
 
 	<uses-feature android:name="android.hardware.touchscreen" android:required="false" />
 	<uses-feature android:name="android.hardware.bluetooth" android:required="false" />