diff --git a/.gitignore b/.gitignore
index 1a2cd4e..7bd3dba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@ app/google-services.json
 app/google-services.json:Zone.Identifier
 */build/
 *.iml
+keystore.properties
+*.jks
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 46f51f0..f9f929b 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,3 +1,6 @@
+import java.io.File
+import java.util.Properties
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
@@ -9,6 +12,13 @@ if (file("google-services.json").exists()) {
     apply(plugin = "com.google.gms.google-services")
 }
 
+val keystorePropertiesFile = rootProject.file("keystore.properties")
+val keystoreProperties = Properties().apply {
+    if (keystorePropertiesFile.exists()) {
+        keystorePropertiesFile.inputStream().use(::load)
+    }
+}
+
 android {
     namespace = "pl.firmatpp.kierowca"
     compileSdk = 35
@@ -23,8 +33,9 @@ android {
         applicationId = "pl.firmatpp.kierowca"
         minSdk = 26
         targetSdk = 35
-        versionCode = 18
-        versionName = "1.0.17"
+        versionCode = 19
+        versionName = "1.0.18"
+        setProperty("archivesBaseName", "pl.firmatpp.kierowca")
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 
         buildConfigField("String", "API_BASE_URL", "\"https://api-intranet.firmatpp.pl/api/\"")
@@ -32,11 +43,30 @@ android {
         buildConfigField("String", "REVERB_WS_BASE_URL", "\"${configValue("REVERB_WS_BASE_URL", "wss://api-intranet.firmatpp.pl/app/")}\"")
     }
 
+    signingConfigs {
+        create("release") {
+            fun requiredSigningProperty(name: String): String =
+                keystoreProperties.getProperty(name)
+                    ?: throw GradleException("Missing '$name' in keystore.properties")
+
+            val configuredStoreFile = requiredSigningProperty("storeFile")
+            storeFile = if (File(configuredStoreFile).isAbsolute) {
+                file(configuredStoreFile)
+            } else {
+                rootProject.file(configuredStoreFile)
+            }
+            storePassword = requiredSigningProperty("storePassword")
+            keyAlias = requiredSigningProperty("keyAlias")
+            keyPassword = requiredSigningProperty("keyPassword")
+        }
+    }
+
     buildTypes {
         debug {
             isMinifyEnabled = false
         }
         release {
+            signingConfig = signingConfigs.getByName("release")
             isMinifyEnabled = false
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
index 239660b..2905bae 100644
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
-    <solid android:color="#F7FAF8" />
+    <solid android:color="#07172B" />
 </shape>
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index 60e1ce8..45da326 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
index eac35ca..0845709 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png and b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
index e3da5c3..006f157 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 8e4486e..5acb935 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
index bbd66b5..23c5c7d 100644
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
index cb44938..0fc9f6e 100644
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diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index b757d27..b5b52ed 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
index a434aa8..d2a8d91 100644
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diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
index a7ccfe9..be10227 100644
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diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index c168843..30c28c8 100644
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diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
index 79a93f9..9459395 100644
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diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
index ea6f407..1508506 100644
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diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 414e071..da7839d 100644
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diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
index 7decad8..376f47b 100644
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diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
index 630a15e..66ab386 100644
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