diff --git a/app/build.gradle b/app/build.gradle
index c2c0481db6..8306bed495 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,12 +12,12 @@ def keystoreProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         applicationId "eu.faircode.email"
         minSdkVersion 21
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode getVersionCode()
         versionName "1." + getVersionCode()
         archivesBaseName = "FairEmail-v$versionName"
@@ -279,7 +279,7 @@ dependencies {
     def requery_version = "3.36.0"
     def paging_version = "2.1.2" // 3.0.0
     def preference_version = "1.1.1"
-    def work_version = "2.6.0-beta01"
+    def work_version = "2.7.0-alpha04"
     def exif_version = "1.3.2"
     def biometric_version = "1.2.0-alpha03"
     def billingclient_version = "3.0.3"
diff --git a/app/src/main/java/eu/faircode/email/AlarmManagerCompatEx.java b/app/src/main/java/eu/faircode/email/AlarmManagerCompatEx.java
index a5981eca19..cdcb264289 100644
--- a/app/src/main/java/eu/faircode/email/AlarmManagerCompatEx.java
+++ b/app/src/main/java/eu/faircode/email/AlarmManagerCompatEx.java
@@ -52,9 +52,8 @@ public class AlarmManagerCompatEx {
         if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R)
             return true;
         else {
-            //AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
-            //return am.canScheduleExactAlarms();
-            return true;
+            AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+            return am.canScheduleExactAlarms();
         }
     }
 }
diff --git a/app/src/main/java/eu/faircode/email/Log.java b/app/src/main/java/eu/faircode/email/Log.java
index bd2664522b..4c9cba590f 100644
--- a/app/src/main/java/eu/faircode/email/Log.java
+++ b/app/src/main/java/eu/faircode/email/Log.java
@@ -1698,6 +1698,10 @@ public class Log {
                 .append(" night=").append(Helper.isNight(context))
                 .append("\r\n");
 
+        sb.append("canScheduleExactAlarms=")
+                .append(AlarmManagerCompatEx.canScheduleExactAlarms(context))
+                .append("\r\n");
+
         sb.append("Transliterate: ")
                 .append(TextHelper.canTransliterate())
                 .append("\r\n");
diff --git a/app/src/main/java/eu/faircode/email/PendingIntentCompat.java b/app/src/main/java/eu/faircode/email/PendingIntentCompat.java
index 5f6c45a40c..49b268e493 100644
--- a/app/src/main/java/eu/faircode/email/PendingIntentCompat.java
+++ b/app/src/main/java/eu/faircode/email/PendingIntentCompat.java
@@ -30,8 +30,6 @@ public class PendingIntentCompat {
     private PendingIntentCompat() {
     }
 
-    public static int FLAG_MUTABLE = 0x02000000;
-
     public static PendingIntent getActivity(Context context, int requestCode, Intent intent, int flags) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
             return PendingIntent.getActivity(context, requestCode, intent, flags);
diff --git a/app/src/main/java/eu/faircode/email/WidgetUnified.java b/app/src/main/java/eu/faircode/email/WidgetUnified.java
index 904588c022..3e0e147582 100644
--- a/app/src/main/java/eu/faircode/email/WidgetUnified.java
+++ b/app/src/main/java/eu/faircode/email/WidgetUnified.java
@@ -91,7 +91,7 @@ public class WidgetUnified extends AppWidgetProvider {
             thread.putExtra("filter_archive", !EntityFolder.ARCHIVE.equals(type));
             thread.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             PendingIntent piItem = PendingIntent.getActivity(
-                    context, ActivityView.PI_WIDGET, thread, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntentCompat.FLAG_MUTABLE);
+                    context, ActivityView.PI_WIDGET, thread, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
 
             views.setPendingIntentTemplate(R.id.lv, piItem);