diff --git a/gradle.properties b/gradle.properties
index a520f2c154..7f2a839097 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,7 +9,7 @@ commonsCodecVersion=1.16.0
 hamcrestVersion=2.2
 jacksonVersion=2.15.3
 junitJupiterVersion=5.10.0
-kotlinVersion=1.9.10
+kotlinVersion=1.9.20-RC
 mavenVersion=3.9.4
 nativeBuildToolsVersion=0.9.27
 springFrameworkVersion=6.1.0-RC1