diff --git a/.gitignore b/.gitignore
index 036871b..0250fef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -89,3 +89,4 @@ lint/tmp/
 .Trashes
 ehthumbs.db
 Thumbs.db
+.signing/
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 4d113de..7c9c599 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,13 +1,35 @@
+import java.util.Properties
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.compose)
 }
 
+// Load signing properties from local.properties
+val keystoreProperties = Properties().apply {
+    val localPropertiesFile = rootProject.file("local.properties")
+    if (localPropertiesFile.exists()) {
+        load(localPropertiesFile.inputStream())
+    }
+}
+
 android {
     namespace = "no.naiv.tiltshift"
     compileSdk = 35
 
+    signingConfigs {
+        create("release") {
+            val storeFilePath = keystoreProperties["storeFile"] as String?
+            if (storeFilePath != null) {
+                storeFile = file(storeFilePath)
+                storePassword = keystoreProperties["storePassword"] as String
+                keyAlias = keystoreProperties["keyAlias"] as String
+                keyPassword = keystoreProperties["keyPassword"] as String
+            }
+        }
+    }
+
     defaultConfig {
         applicationId = "no.naiv.tiltshift"
         minSdk = 35
@@ -26,6 +48,7 @@ android {
         release {
             isMinifyEnabled = true
             isShrinkResources = true
+            signingConfig = signingConfigs.getByName("release")
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"