diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index f40e61d51..6ac81db36 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -31,7 +31,7 @@ junit = "4.13.2"
 kotlin = "2.0.0"
 kotlinx-coroutines = "1.8.1"
 kotlinx-kover = "0.8.1"
-kotlinx-serialization = "1.7.0"
+kotlinx-serialization = "1.6.3"
 ktor = "2.3.11"
 mockk = "1.13.11"
 okhttp = "4.12.0"