Updated dependency versions

app/build.gradle

@@ -1,7 +1,6 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
-apply plugin: 'kotlin-kapt'
 
 android {
     compileSdkVersion 27
@@ -26,15 +25,15 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
 
     // support libraries
-    implementation "com.android.support:appcompat-v7:27.0.2"
-    implementation "com.android.support:design:27.0.2"
-    implementation "com.android.support:support-vector-drawable:27.0.2"
-    implementation 'com.android.support.constraint:constraint-layout:1.1.0-beta5'
+    implementation "com.android.support:appcompat-v7:27.1.0"
+    implementation "com.android.support:design:27.1.0"
+    implementation "com.android.support:support-vector-drawable:27.1.0"
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0-beta6'
 
     // rxjava
-    implementation 'io.reactivex.rxjava2:rxjava:2.1.8'
+    implementation 'io.reactivex.rxjava2:rxjava:2.1.11'
     implementation 'io.reactivex.rxjava2:rxkotlin:2.2.0'
-    implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
+    implementation 'io.reactivex.rxjava2:rxandroid:2.0.2'
     implementation 'com.tbruyelle.rxpermissions2:rxpermissions:0.9.4@aar'
 
     // retrofit & okhttp

build.gradle

@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        kotlin_version = '1.2.21'
+        kotlin_version = '1.2.31'
     }
     repositories {
         jcenter()