diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index cbfe59293b..065abeff7c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,7 +9,7 @@ org-apache-maven-resolver = "1.9.17"
 org-aspectj = "1.9.20.1"
 org-bouncycastle = "1.70"
 org-eclipse-jetty = "11.0.18"
-org-jetbrains-kotlin = "1.9.20"
+org-jetbrains-kotlin = "1.9.21"
 org-jetbrains-kotlinx = "1.7.3"
 org-mockito = "5.5.0"
 org-opensaml = "4.3.0"