diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 821d221..71f788b 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -2,8 +2,8 @@ object Versions {
     const val gradleNexusPublishPlugin = "1.1.0"
     const val dokkaVersion = "1.4.32"
     const val kotlinLint = "10.3.0"
-    const val serializationPlugin = "1.6.20"
-    const val serializationRuntime = "1.3.2"
+    const val serializationPlugin = "1.8.10"
+    const val serializationRuntime = "1.4.1"
     const val json = "20201115"
     const val okhttp = "4.9.3"
     const val evaluationCore = "1.1.1"