diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index cd2bfde..22fd7f6 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ gradleMavenPublish = "0.33.0"
 kotest = "5.9.1"
 kotlin = "2.1.21"
 kotlinxBinaryCompatibilityValidator = "0.17.0"
-kotlinxSerialization = "1.8.1"
+kotlinxSerialization = "1.9.0"
 kover = "0.9.1"
 
 [libraries]