diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d0634a29..1a74297d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -28,7 +28,7 @@ kotlinLangVersion = "1.7"
 
 # https://mvnrepository.com/artifact/org.jetbrains.kotlin/kotlin-gradle-plugin
 # WARN: Don't forget to update kotlin version badge in ../README.md
-kotlin = "1.8.21"
+kotlin = "1.9.23"
 
 # https://github.com/google/ksp/releases
 ksp = "1.8.21-1.0.11"