diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7c9481e..08e3ab5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 
-kotlin = "1.8.20"
+kotlin = "1.9.0"
 kotlin-gradle-plugin = "7.3.1"
 
 dokka = "1.8.20"