diff --git a/build.gradle b/build.gradle
index 2789ee2902..b2c1082c91 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.4.10'
+    ext.kotlin_version = '1.4.21'
     repositories {
         google()
         mavenCentral()