diff --git a/samples/tlssurvey/build.gradle.kts b/samples/tlssurvey/build.gradle.kts
index c884a4f27f12..207c3e8960aa 100644
--- a/samples/tlssurvey/build.gradle.kts
+++ b/samples/tlssurvey/build.gradle.kts
@@ -1,7 +1,7 @@
 plugins {
   kotlin("jvm")
   application
-  id("com.google.devtools.ksp").version("1.9.0-1.0.13")
+  id("com.google.devtools.ksp").version("1.9.21-1.0.15")
 }
 
 application {