diff --git a/app/build.gradle b/app/build.gradle
index 2ba099e..758f9cf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -25,4 +25,8 @@
     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'
+
+    // Rx
+    implementation "io.reactivex.rxjava2:rxjava:$rx_java_version"
+    implementation "io.reactivex.rxjava2:rxandroid:$rx_android_version"
 }