diff --git a/build.gradle b/build.gradle
index 8e37169..6fca7cf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.2.31'
+    ext.kotlin_version = '1.2.40'
     ext.anko_version = '0.10.4'
     repositories {
         jcenter()