Try using older serialization version.

gradle/libs.versions.toml

@@ -31,7 +31,7 @@ foundation-layout-android = "1.7.6"
 shadow = "9.0.0-beta8"
 
 # internal
-emerge-gradle-plugin = "4.0.10-SNAPSHOT"
+emerge-gradle-plugin = "4.0.10-kotlinx2-SNAPSHOT"
 emerge-performance = "2.1.2"
 emerge-reaper = "1.0.0"
 emerge-snapshots = "1.3.3"
@@ -102,7 +102,7 @@ junit5-jupiter = { module = "org.junit.jupiter:junit-jupiter", version.ref = "ju
 kotlin-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kotlin-coroutines" }
 kotlin-gradle-plugin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
 kotlinx-datetime = "org.jetbrains.kotlinx:kotlinx-datetime:0.6.2"
-kotlinx-serialization = "org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.0"
+kotlinx-serialization = "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3"
 
 ktor-network = { module = "io.ktor:ktor-network", version = "3.1.0" }