diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1c95260..14e65a2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -10,7 +10,7 @@ protoc-kotlin = "1.4.3"
 kotlin-coroutines = "1.10.2"
 slf4j = "2.0.17"
 log4j = "2.24.3"
-kotlinx-serialization = "1.8.1"
+kotlinx-serialization = "1.9.0"
 testcontainers = "1.21.1"
 mockk = "1.14.2"