diff --git a/app/build.gradle b/app/build.gradle
index c9768a3..3e9ae17 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -66,4 +66,8 @@
 
     // MPAndroidChart
     implementation 'com.github.PhilJay:MPAndroidChart:v3.0.2'
+
+    // RxJava
+    implementation "io.reactivex.rxjava2:rxjava:2.1.5"
+    compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
 }