diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 62a08175..74da2210 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ kotlin = "2.2.0"
 dokka = "2.0.0"
 
 # libraries version
-serialization = "1.8.1"
+serialization = "1.9.0"
 coroutines = "1.10.2"
 ktor = "3.1.3"
 mockk = "1.13.13"