diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 777de5b..c8ddcb7 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 kotlin = "2.0.0"
-kotlinx-serialization = "1.7.0"
+kotlinx-serialization = "1.9.0"
 shadow = "8.1.1"
 run = "2.3.0"
 paperweight = "1.7.1"