diff --git a/app/build.gradle b/app/build.gradle
index cd631c0..ece941f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -20,7 +20,7 @@
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
-    sourceSets{
+    sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
     compileOptions {
@@ -31,10 +31,14 @@
 
 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'
+
+    // Rx
+    implementation "io.reactivex.rxjava2:rxjava:$rx_java_version"
+    implementation "io.reactivex.rxjava2:rxandroid:$rx_android_version"
 }