diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index a760c64..528586d 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,3 +1,5 @@
+import java.util.Properties
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
@@ -7,6 +9,12 @@ plugins {
     alias(libs.plugins.hilt)
 }
 
+// Релизная подпись: пароли/путь к keystore — в keystore.properties (в .gitignore).
+val keystorePropsFile = rootProject.file("keystore.properties")
+val keystoreProps = Properties().apply {
+    if (keystorePropsFile.exists()) keystorePropsFile.inputStream().use { load(it) }
+}
+
 android {
     namespace = "com.radiola"
     compileSdk = 34
@@ -24,8 +32,20 @@ android {
         }
     }
 
+    signingConfigs {
+        create("release") {
+            if (keystorePropsFile.exists()) {
+                storeFile = rootProject.file(keystoreProps.getProperty("storeFile"))
+                storePassword = keystoreProps.getProperty("storePassword")
+                keyAlias = keystoreProps.getProperty("keyAlias")
+                keyPassword = keystoreProps.getProperty("keyPassword")
+            }
+        }
+    }
+
     buildTypes {
         release {
+            signingConfig = signingConfigs.getByName("release")
             isMinifyEnabled = false
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),