diff --git a/gradle.properties b/gradle.properties
index a41b08264..d3ef71f1a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-kotlin_version=1.6.10
+kotlin_version=1.6.21
 kotest_version=5.1.0
 spockVersion=2.1-groovy-3.0
 strikt_version=0.34.1