diff --git a/app/build.gradle b/app/build.gradle
index 363129a..577ce75 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,7 +7,7 @@ android {
     defaultConfig {
         applicationId "uk.org.openseizuredetector"
         minSdkVersion 23
-        targetSdkVersion 30
+        targetSdkVersion 31
         multiDexEnabled true
     }
 
@@ -28,6 +28,7 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+    namespace 'uk.org.openseizuredetector'
 }
 
 dependencies {
diff --git a/app/release/app-release-4.1.3.apk b/app/release/app-release-4.1.3.apk
index 539f2c4..9fe38aa 100644
Binary files a/app/release/app-release-4.1.3.apk and b/app/release/app-release-4.1.3.apk differ
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8103679..4fb6eeb 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="uk.org.openseizuredetector"
-    android:versionCode="116"
+    android:versionCode="117"
     android:versionName="4.1.3">
     <!-- android:allowBackup="false" -->
     <uses-permission android:name="android.permission.BLUETOOTH" />
@@ -39,7 +38,9 @@
         <!-- @android:style/Theme.Holo.Light" -->
         <activity android:name=".BLEScanActivity" />
         <activity android:name=".ExportDataActivity" /> <!-- android:usesCleartextTraffic="true" -->
-        <activity android:name=".StartupActivity">
+        <activity
+            android:name=".StartupActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -69,7 +70,9 @@
 
         <receiver
             android:name=".BootBroadcastReceiver"
-            android:label="BootBroadcastReceiver">
+            android:label="BootBroadcastReceiver"
+            android:exported="true"
+            >
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
             </intent-filter>
diff --git a/build.gradle b/build.gradle
index c577bdd..d99e13c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,8 +9,8 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.0'
-        classpath 'com.google.gms:google-services:4.3.10'
+        classpath 'com.android.tools.build:gradle:7.3.1'
+        classpath 'com.google.gms:google-services:4.3.15'
     }
 }
 allprojects {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2ce1c44..6cfefbd 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip