diff --git a/app/build.gradle b/app/build.gradle
index c513dd5..03c7161 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -52,4 +52,19 @@
     kapt "com.google.dagger:dagger-android-processor:$dagger_version"
     androidTestAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
     testAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
+
+    // Retrofit
+    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
+    implementation 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.1.0'
+
+    // OKHttp
+    implementation 'com.squareup.okhttp3:okhttp:3.10.0'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.squareup.okhttp3:logging-interceptor:3.9.1'
+
+    // Rx
+    implementation 'io.reactivex.rxjava2:rxjava:2.1.6'
+    implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
+    implementation 'io.reactivex.rxjava2:rxkotlin:2.2.0'
 }