diff --git a/.gitignore b/.gitignore
index e42beac..8a25d13 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,5 @@ node_modules
 *.zip
 app/release/
 .parcel-cache/
-dist
\ No newline at end of file
+dist
+keystore.properties
\ No newline at end of file
diff --git a/Readme.md b/Readme.md
index 458468c..635ddec 100644
--- a/Readme.md
+++ b/Readme.md
@@ -15,8 +15,14 @@ Break colourful bricks, catch bouncing coins and select powerful upgrades !
 
 # Changelog
 
-## next goals
+## Todo
 
+- build an apk every time  
+  - ./gradlew tasks
+
+## Next release
+
+- simple game data migration system 
 - high score issues
  
 ## 29059721.
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 6363aea..4f9ac3f 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -3,7 +3,19 @@ plugins {
     alias(libs.plugins.jetbrainsKotlinAndroid)
 }
 
+def keystorePropertiesFile = rootProject.file("keystore.properties")
+def keystoreProperties = new Properties()
+keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+
 android {
+    signingConfigs {
+        config {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile file(keystoreProperties['storeFile'])
+            storePassword keystoreProperties['storePassword']
+        }
+    }
     namespace = "me.lecaro.breakout"
     compileSdk = 34
 
diff --git a/keystore.properties.example b/keystore.properties.example
new file mode 100644
index 0000000..275003d
--- /dev/null
+++ b/keystore.properties.example
@@ -0,0 +1,4 @@
+storePassword=myStorePassword
+keyPassword=mykeyPassword
+keyAlias=myKeyAlias
+storeFile=myStoreFileLocation