diff --git a/.gitignore b/.gitignore
index 2ddde2a..176d59c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,7 @@
 **/android/captures/
 **/android/gradlew
 **/android/gradlew.bat
+**/android/key.properties
 **/android/local.properties
 **/android/**/GeneratedPluginRegistrant.java
 
diff --git a/android/app/build.gradle b/android/app/build.gradle
index bb76746..321f7d1 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -24,6 +24,12 @@ if (flutterVersionName == null) {
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 android {
     compileSdkVersion 29
 
@@ -40,11 +46,17 @@ android {
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile file(keystoreProperties['storeFile'])
+            storePassword keystoreProperties['storePassword']
+        }
+    }
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
 
             minifyEnabled true
             useProguard true
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
index bccd023..239ec33 100644
--- a/android/app/proguard-rules.pro
+++ b/android/app/proguard-rules.pro
@@ -1,4 +1,4 @@
-#Flutter Wrapper
+## Flutter wrapper
 -keep class io.flutter.app.** { *; }
 -keep class io.flutter.plugin.**  { *; }
 -keep class io.flutter.util.**  { *; }
diff --git a/pubspec.lock b/pubspec.lock
index cf2ec39..1331608 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -402,7 +402,7 @@ packages:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.5"
   shelf:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 09d1ac2..b2da110 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: time_tracker
 description: Papierkram.de - TimeTracker as flutter app
 
-version: 1.0.0+1
+version: 1.0.0
 
 environment:
   sdk: ">=2.2.2 <3.0.0"