diff --git a/build.gradle b/build.gradle
index 562a3c4..b502404 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.0'
+    ext.kotlin_version = '1.2.21'
     repositories {
         jcenter()
         google()
@@ -28,6 +28,6 @@ ext {
     targetSdkVersion = 27
     minSdkVersion = 16
     buildToolsVersion = "27.0.0"
-    supportLibraryVersion = '27.0.1'
+    supportLibraryVersion = '27.0.2'
     rxJavaVersion = '1.2.1'
-}
\ No newline at end of file
+}