diff --git a/sdk/android/build.gradle.kts b/sdk/android/build.gradle.kts
index b547f6bc..3f645788 100644
--- a/sdk/android/build.gradle.kts
+++ b/sdk/android/build.gradle.kts
@@ -1,9 +1,9 @@
 // XID Android SDK -- build.gradle.kts
 // MIT
 plugins {
-    id("com.android.library") version "8.7.3"
-    id("org.jetbrains.kotlin.android") version "2.1.21"
-    id("org.jetbrains.kotlin.plugin.serialization") version "2.1.21"
+    id("com.android.library") version "9.3.1"
+    id("org.jetbrains.kotlin.android") version "2.4.10"
+    id("org.jetbrains.kotlin.plugin.serialization") version "2.4.10"
     id("maven-publish")
 }
 
@@ -49,38 +49,38 @@ android {
 
 dependencies {
     // Android platform core
-    implementation("androidx.core:core-ktx:1.16.0")
+    implementation("androidx.core:core-ktx:1.19.0")
     implementation("androidx.appcompat:appcompat:1.7.0")
 
     // Chrome Custom Tabs -- authorization browser session (PKCE S256 flow)
-    implementation("androidx.browser:browser:1.8.0")
+    implementation("androidx.browser:browser:1.10.0")
 
     // Secure storage -- EncryptedSharedPreferences backed by Android Keystore AES-256-GCM
-    implementation("androidx.security:security-crypto:1.1.0-alpha06")
+    implementation("androidx.security:security-crypto:1.1.0")
 
     // Biometric (optional extension point for Keystore unlock with biometrics)
-    implementation("androidx.biometric:biometric:1.2.0-alpha05")
+    implementation("androidx.biometric:biometric:1.4.0-alpha07")
 
     // Coroutines -- async authorization and network requests
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.11.0")
 
     // HTTP -- OkHttp (supports certificate pinning)
-    implementation("com.squareup.okhttp3:okhttp:4.12.0")
+    implementation("com.squareup.okhttp3:okhttp:5.4.0")
 
     // JSON -- Kotlinx Serialization (KMP-friendly, no reflection)
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.1")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.11.0")
 
     // JWT verification -- nimbus-jose-jwt (ES256/RS256 via standard Java crypto)
-    implementation("com.nimbusds:nimbus-jose-jwt:9.40")
+    implementation("com.nimbusds:nimbus-jose-jwt:10.9.1")
 
     // Unit tests (JVM, no device required)
     testImplementation("junit:junit:4.13.2")
-    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.9.0")
-    testImplementation("com.squareup.okhttp3:mockwebserver:4.12.0")
+    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.11.0")
+    testImplementation("com.squareup.okhttp3:mockwebserver:5.4.0")
 
     // Instrumented tests
-    androidTestImplementation("androidx.test.ext:junit:1.2.1")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.6.1")
+    androidTestImplementation("androidx.test.ext:junit:1.3.0")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.7.0")
 }
 
 publishing {