diff --git a/build.gradle.kts b/build.gradle.kts
index 4966cac..f98e954 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -104,8 +104,6 @@ subprojects {
             // Required for discord-rpc
             keepclassmembers("class $group.drpc.** { public * ; }")
 
-            dontwarn("kotlinx.serialization.**")
-
             doFirst {
                 libraryjars(configurations.compileClasspath.get().filterNot { file ->
                     shadowC.contains(file)
diff --git a/forge/build.gradle.kts b/forge/build.gradle.kts
index 13811f9..d49d9f6 100644
--- a/forge/build.gradle.kts
+++ b/forge/build.gradle.kts
@@ -3,14 +3,12 @@ repositories {
     maven(url = "https://thedarkcolour.github.io/KotlinForForge/")
 }
 
-val serializationVer: String by rootProject
 dependencies {
     forge("net.minecraftforge:forge:${rootProject.architectury.minecraft}-${rootProject.property("forge_version")}.+")
     implementation("thedarkcolour:kotlinforforge:${rootProject.property("kotlinforforge")}")
     modApi("me.shedaniel.cloth:cloth-config-forge:${rootProject.property("clothconfig_version")}")
     implementation(project(path = ":common")) { isTransitive = false }
     add("developmentForge", project(path = ":common")) { isTransitive = false }
-    shadowC("org.jetbrains.kotlinx:kotlinx-serialization-core:$serializationVer") { isTransitive = false } // Needed for kotlinx-datetime
     shadowC(project(path = ":common", configuration = "transformProductionForge")) { isTransitive = false }
 }; loom {
     useFabricMixin = true
diff --git a/gradle.properties b/gradle.properties
index 328a478..8a2178c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,7 +9,7 @@ org.gradle.vfs.watch=true
 
 minecraft=1.16.5
 forge_version=36.1
-kotlinforforge=1.12.0
+kotlinforforge=1.12.1
 kotlinVer=1.5.0
 serializationVer=1.2.1
 fabric_loader_version=0.11.3