diff --git a/build.gradle b/build.gradle
index b081afe..58eced1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,7 +27,7 @@ repositories {
 
 dependencies {
   api "com.squareup.retrofit2:retrofit:2.9.0"
-  api "org.jetbrains.kotlinx:kotlinx-serialization-core:1.5.1"
+  api "org.jetbrains.kotlinx:kotlinx-serialization-core:1.6.3"
 
   testImplementation "junit:junit:4.13.2"
   testImplementation "com.squareup.okhttp3:mockwebserver:4.12.0"