diff --git a/app/build.gradle b/app/build.gradle
index b828404..c83a042 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -57,6 +57,9 @@
     compile "android.arch.lifecycle:extensions:1.0.0"
     annotationProcessor "android.arch.lifecycle:compiler:1.0.0"
 
+    implementation "io.reactivex.rxjava2:rxjava:$rx_java_version"
+    implementation "io.reactivex.rxjava2:rxandroid:$rx_android_version"
+
     // RecyclerView
     implementation 'com.android.support:recyclerview-v7:26+'