diff --git a/build.gradle b/build.gradle
index d7a062a..9121814 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 apply from: './dependencies.gradle'
 
 buildscript {
-    ext.kotlin_version = '1.3.41'
+    ext.kotlin_version = '1.5.21'
     apply from: './dependencies.gradle'
 
     repositories {