diff --git a/build.gradle b/build.gradle
index 907ac1f..4f0abfa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ group 'me.ntrrgc'
 version '1.1.3'
 
 buildscript {
-    ext.kotlin_version = '1.4.31'
+    ext.kotlin_version = '1.5.10'
     ext.spek_version = '1.1.5'
     ext.junit_version = '1.7.1'