diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index e318681..17902f5 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -18,7 +18,7 @@ dependencies {
     // JSON serialization dependencies
     implementation("com.squareup.moshi:moshi:${property("moshi_version")}")
     implementation("com.squareup.moshi:moshi-kotlin:${property("moshi_version")}")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.9.0")
 
     // Ktor dependencies
     implementation("io.ktor:ktor-server-core:1.6.8")
diff --git a/utils/build.gradle.kts b/utils/build.gradle.kts
index 849c0b0..c186878 100644
--- a/utils/build.gradle.kts
+++ b/utils/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
 dependencies {
     // Apply the kotlinx bundle of dependencies from the version catalog (`gradle/libs.versions.toml`).
     implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.6.1")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.2")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.9.0")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.1")
     testImplementation(kotlin("test"))
 }
\ No newline at end of file