diff --git a/build.gradle.kts b/build.gradle.kts
index 6390beb..7594adf 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,7 +1,7 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    val kotlinVersion = "1.8.21"
+    val kotlinVersion = "1.9.0"
 
     kotlin("jvm") version kotlinVersion
     kotlin("plugin.spring") version kotlinVersion