diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5dc92fd4..6f03d552 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -16,7 +16,7 @@ kotest-junit5 = { module = "io.kotest:kotest-runner-junit5", version.ref = "kote
 kotest-assertions-core = { module = "io.kotest:kotest-assertions-core", version.ref = "kotest" }
 kotest-assertions-core-jvm = { module = "io.kotest:kotest-assertions-core-jvm", version.ref = "kotest" }
 kotest-assertions-ktor = { module = "io.kotest.extensions:kotest-assertions-ktor", version = "2.0.0" }
-kotlin-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version = "1.6.2" }
+kotlin-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version = "1.6.3" }
 kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
 ktor-server-core = { module = "io.ktor:ktor-server-core", version.ref = "ktor" }
 ktor-server-content-negotiation = { module = "io.ktor:ktor-server-content-negotiation", version.ref = "ktor" }