diff --git a/.metadata b/.metadata
index 4a2a6e1..b9e1657 100644
--- a/.metadata
+++ b/.metadata
@@ -4,7 +4,7 @@
 # This file should be version controlled and should not be manually edited.
 
 version:
-  revision: 2d2a1ffec95cc70a3218872a2cd3f8de4933c42f
-  channel: stable
+  revision: bbfbf1770cca2da7c82e887e4e4af910034800b6
+  channel: beta
 
 project_type: app
diff --git a/android/app/build.gradle b/android/app/build.gradle
index 8068a41..231dabe 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -41,7 +41,7 @@ android {
         applicationId "com.papierkram.timetracker"
         minSdkVersion 18
         targetSdkVersion 30
-        versionCode 16
+        versionCode 19
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -50,7 +50,7 @@ android {
         release {
             keyAlias keystoreProperties['keyAlias']
             keyPassword keystoreProperties['keyPassword']
-            storeFile file(keystoreProperties['storeFile'])
+            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
             storePassword keystoreProperties['storePassword']
         }
     }
@@ -58,8 +58,6 @@ android {
         release {
             signingConfig signingConfigs.release
 
-            minifyEnabled true
-
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         debug {
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
index 5aad577..04fa207 100644
--- a/android/app/proguard-rules.pro
+++ b/android/app/proguard-rules.pro
@@ -1,8 +1,2 @@
-## Flutter wrapper
--keep class io.flutter.app.** { *; }
--keep class io.flutter.plugin.**  { *; }
--keep class io.flutter.util.**  { *; }
--keep class io.flutter.view.**  { *; }
--keep class io.flutter.**  { *; }
--keep class io.flutter.plugins.**  { *; }
--dontwarn io.flutter.embedding.**
+## https://github.com/flutter/flutter/issues/58479
+-keep class androidx.lifecycle.** { *; }
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 7608094..efeba47 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
 <manifest  xmlns:android="http://schemas.android.com/apk/res/android"
-           xmlns:tools="http://schemas.android.com/tools"
           package="com.papierkram.timetracker">
 
     <uses-permission android:name="android.permission.INTERNET"/>
diff --git a/android/app/src/main/kotlin/com/papierkram/timetracker/MainActivity.kt b/android/app/src/main/kotlin/com/papierkram/timetracker/MainActivity.kt
index 738e5d2..d310dff 100644
--- a/android/app/src/main/kotlin/com/papierkram/timetracker/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/papierkram/timetracker/MainActivity.kt
@@ -1,5 +1,12 @@
 package com.papierkram.timetracker
 
+import androidx.annotation.NonNull
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugins.GeneratedPluginRegistrant
 
-class MainActivity : FlutterActivity()
+class MainActivity : FlutterActivity() {
+    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
+        GeneratedPluginRegistrant.registerWith(flutterEngine)
+    }
+}
diff --git a/pubspec.lock b/pubspec.lock
index f1d3330..3320730 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -147,7 +147,7 @@ packages:
       name: code_builder
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.4.0"
+    version: "3.4.1"
   collection:
     dependency: transitive
     description:
@@ -526,7 +526,7 @@ packages:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   pedantic:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 556ad0e..4bec73a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -3,7 +3,7 @@ description: Papierkram.de - TimeTracker as flutter app
 
 publish_to: 'none'
 
-version: 1.5.5+2
+version: 1.5.5+5
 
 environment:
   sdk: ">=2.7.0 <3.0.0"