diff --git a/build.gradle b/build.gradle
index ace8da77fc..d2286e6e69 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 
 buildscript {
     ext {
-        kotlin_version = '1.7.20'
+        kotlin_version = '1.7.21'
         core_version = '1.9.0'
         rxjava_version = '3.1.5'
         rxandroid_version = '3.0.1'