diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1a2b27f..803c0e2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 kotlin = "2.1.20"
 kotlinx-coroutines = "1.9.0"
-kotlinx-serialization = "1.7.3"
+kotlinx-serialization = "1.9.0"
 # kotlinx-io = "0.7.0"
 kotlinx-io = { prefer = "0.6.0" }
 dokka = "2.0.0"