diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 0e740092e..797773674 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,6 +10,7 @@
     <uses-permission android:name="android.permission.VIBRATE"/>
     <uses-permission android:name="android.permission.READ_CALENDAR"/>
     <uses-permission android:name="android.permission.WRITE_CALENDAR"/>
+    <uses-permission android:name='android.permission.WAKE_LOCK'/>
     <uses-permission
         android:name="android.permission.USE_FINGERPRINT"
         tools:node="remove"/>
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/receivers/NotificationReceiver.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/receivers/NotificationReceiver.kt
index 80a009ccb..69fd394ce 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/receivers/NotificationReceiver.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/receivers/NotificationReceiver.kt
@@ -3,6 +3,7 @@ package com.simplemobiletools.calendar.receivers
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.os.PowerManager
 import com.simplemobiletools.calendar.extensions.dbHelper
 import com.simplemobiletools.calendar.extensions.notifyEvent
 import com.simplemobiletools.calendar.extensions.scheduleAllEvents
@@ -12,6 +13,10 @@ import com.simplemobiletools.calendar.helpers.Formatter
 
 class NotificationReceiver : BroadcastReceiver() {
     override fun onReceive(context: Context, intent: Intent) {
+        val powerManager = context.getSystemService(Context.POWER_SERVICE) as PowerManager
+        val wakelock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Simple Calendar")
+        wakelock.acquire(5000)
+
         context.updateListWidget()
         val id = intent.getIntExtra(EVENT_ID, -1)
         if (id == -1)