diff --git a/build.gradle b/build.gradle
index af56fd918..a5b9d1ba6 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 = '1.2.31'
+    ext.kotlin_version = '1.2.40'
 
     repositories {
         jcenter()