diff --git a/gradle.properties b/gradle.properties
index d4204d7431..f2d3f5cdba 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ kotlin.js.generate.externals=true
 kotlin.incremental=true
 kotlin.incremental.js=true
 
-kotlin_version=1.6.10
+kotlin_version=1.6.21
 kotlin_coroutines_version=1.6.1
 kotlin_serialisation_runtime_version=1.3.2
 klock_version=2.7.0