diff --git a/app/build.gradle b/app/build.gradle
index d083e0c..f22bd00 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -24,10 +24,15 @@
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
     implementation 'com.android.support:appcompat-v7:26.1.0'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.1'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+
+    // Android Architecture Components for Lifecycles, LiveData, and ViewModel
+    implementation "android.arch.lifecycle:runtime:1.0.3"
+    implementation "android.arch.lifecycle:extensions:1.0.0-rc1"
+    annotationProcessor "android.arch.lifecycle:compiler:1.0.0-rc1"
 }