diff --git a/build.gradle.kts b/build.gradle.kts
index 6f70ce70..d73b78bf 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "2.1.20"
+    kotlin("jvm") version "2.1.21"
     id("org.jetbrains.dokka") version "2.0.0"
     // Add support for generating version number from Git status.
     id("com.palantir.git-version") version "3.2.0"