diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index f2d026b0..966a788c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ kotest = "6.0.0.M3"
 detekt = "1.23.8"
 ktlint = "1.1.0"
 okio = "3.15.0"
-serialization = "1.8.1"
+serialization = "1.9.0"
 benchmark = "0.4.14"
 openapi = "2025.3"
 jackson = "2.19.1"