diff --git a/gradle.properties b/gradle.properties
index f762f1cfc..f068a7af3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,5 +2,5 @@ group=org.sonarsource.kotlin
 version=2.21-SNAPSHOT
 description=Code Analyzer for Kotlin
 projectTitle=Kotlin
-kotlinVersion=2.0.20
+kotlinVersion=2.0.21
 org.gradle.jvmargs=-Xmx4096M