diff --git a/build.gradle b/build.gradle
index 3da7411..07b3fd9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,25 +1,22 @@
 buildscript {
 	repositories {
+		maven { url = 'https://files.minecraftforge.net/maven' }
 		jcenter()
-		maven {
-			name "forge"
-			url "http://files.minecraftforge.net/maven/"
-		}
+		mavenCentral()
 	}
 	dependencies {
-		classpath "net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT"
+		classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '4.+', changing: true
 		classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlin_version}"
 	}
 }
 
 plugins {
 	id "maven"
-	id "com.github.johnrengelman.shadow" version "1.2.3"
+	id "com.github.johnrengelman.shadow" version "5.2.0"
 }
 
 apply plugin: "kotlin"
-apply plugin: "net.minecraftforge.gradle.forge"
-apply from: "https://github.com/shadowfacts/maven/raw/master/maven.gradle"
+apply plugin: 'net.minecraftforge.gradle'
 
 version = mod_version
 
@@ -27,35 +24,18 @@ sourceCompatibility = JavaVersion.VERSION_1_8
 targetCompatibility = JavaVersion.VERSION_1_8
 
 minecraft {
-	version = mc_version + "-" + forge_version
-	runDir = "run"
-
-	mappings = mcp_mappings
-
-	replaceIn "Forgelin.kt"
-	replace "@VERSION@", mod_version
-
-	useDepAts = true
+	mappings channel: 'stable', version: '39-1.12'
 }
 
-processResources {
-	inputs.property "version", project.version
-	inputs.property "mcversion", project.minecraft.version
-
-	from (sourceSets.main.resources.srcDirs) {
-		include "mcmod.info"
-		expand "version": project.version, "mcversion": mc_version
-	}
-	from (sourceSets.main.resources.srcDirs) {
-		exclude "mcmod.info"
-	}
-}
+sourceSets.main.resources { srcDir 'src/generated/resources' }
 
 repositories {
 	jcenter()
+	mavenCentral()
 }
 
 dependencies {
+	minecraft 'net.minecraftforge:forge:1.12.2-14.23.5.2855'
 	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib", version: kotlin_version
 	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib-jdk7", version: kotlin_version
 	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib-jdk8", version: kotlin_version
@@ -85,7 +65,7 @@ shadowJar {
 	}
 	manifest {
 		attributes "FMLCorePlugin": "net.shadowfacts.forgelin.preloader.ForgelinPlugin",
-					"FMLCorePluginContainsFMLMod": "true"
+				"FMLCorePluginContainsFMLMod": "true"
 	}
 }
 
@@ -97,10 +77,10 @@ artifacts {
 
 reobf {
 	shadowJar {
-		mappingType = "SEARGE"
 	}
 }
+
 tasks.reobfShadowJar.mustRunAfter shadowJar
 tasks.build.dependsOn reobfShadowJar
 
-
+jar.finalizedBy('reobfJar')
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 719f3ed..b8e1c9a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,11 +1,7 @@
-mod_version = 1.8.4
+mod_version = 1.9.0
 group = net.shadowfacts
 archivesBaseName = Forgelin
 
-mc_version = 1.12.2
-mcp_mappings = snapshot_20180609
-forge_version = 14.23.4.2705
-
-kotlin_version = 1.3.50
-annotations_version = 16.0.3
-coroutines_version = 1.3.1
+kotlin_version = 1.5.21
+annotations_version = 21.0.1
+coroutines_version = 1.5.0
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 0880189..5dc530c 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.1-bin.zip
diff --git a/src/main/kotlin/net/shadowfacts/forgelin/Forgelin.kt b/src/main/kotlin/net/shadowfacts/forgelin/Forgelin.kt
index bd0b201..8b64de2 100644
--- a/src/main/kotlin/net/shadowfacts/forgelin/Forgelin.kt
+++ b/src/main/kotlin/net/shadowfacts/forgelin/Forgelin.kt
@@ -14,7 +14,7 @@ object Forgelin {
 
 	const val MOD_ID = "forgelin"
 	const val NAME = "Forgelin"
-	const val VERSION = "@VERSION@"
+	const val VERSION = "1.9.0"
 
 	@EventHandler
 	fun onPreInit(event: FMLPreInitializationEvent) {