diff --git a/.gitignore b/.gitignore
index 2f5d04d..533f42e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,4 @@ bin/
 
 run/
 run-data/
+/src/generated/resources/.cache/*
diff --git a/build.gradle b/build.gradle
index e78c535..c74c92f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,18 +10,15 @@ buildscript {
 
 plugins {
     id "idea"
+    id "eclipse"
     id "maven-publish"
-    id 'net.minecraftforge.gradle' version '[6.0,6.2)'
-    id 'org.parchmentmc.librarian.forgegradle' version '1.+'
+    id 'net.neoforged.moddev.legacyforge' version '2.0.91'
     id 'com.diffplug.spotless' version '7.0.2'
-    id 'org.spongepowered.mixin' version '0.7+'
 }
 
-def generatedResources = file("src/generated")
-
 sourceSets {
-    main {
-        resources.srcDir generatedResources
+    main.resources {
+        srcDir 'src/generated/resources'
     }
 }
 
@@ -76,54 +73,85 @@ version = mod_version
 group = maven_group
 base { archivesName = archives_base_name }
 java { sourceCompatibility = targetCompatibility = JavaVersion.VERSION_17 }
-sourceSets.main.resources { srcDir 'src/generated/resources' }
 
-minecraft {
-    mappings channel: mapping_channel, version: mapping_version
-    copyIdeResources = true
+legacyForge {
+    version = project.minecraft_version + '-' + project.forge_version
+
+    parchment {
+        mappingsVersion = project.mapping_version
+        minecraftVersion = project.minecraft_version
+    }
+
     runs {
         configureEach {
-            workingDirectory project.file('run')
-            property 'forge.logging.markers', 'REGISTRIES'
-            property 'forge.logging.console.level', 'debug'
-            mods { "${mod_id}" { source sourceSets.main } }
-            property 'mixin.env.remapRefMap', 'true'
-            property 'mixin.env.refMapRemappingFile', "${buildDir}/createSrgToMcp/output.srg"
+            // Recommended logging data for a userdev environment
+            // The markers can be added/remove as needed separated by commas.
+            // "SCAN": For mods scan.
+            // "REGISTRIES": For firing of registry events.
+            // "REGISTRYDUMP": For getting the contents of all registries.
+            systemProperty 'forge.logging.markers', 'REGISTRIES'
+
+            // Recommended logging level for the console
+            // You can set various levels here.
+            // Please read: https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels
+            logLevel = org.slf4j.event.Level.DEBUG
+            sourceSet = sourceSets.main
+        }
+        client {
+            client()
+            programArguments.addAll('--refresh-dependencies')
+            systemProperty('forge.enabledGameTestNamespaces', project.mod_id)
+        }
+        server {
+            server()
+            systemProperty('forge.enabledGameTestNamespaces', project.mod_id)
+            programArguments.addAll('--nogui', '--world', 'world-extra')
         }
-        client { property 'forge.enabledGameTestNamespaces', mod_id }
-        server { property 'forge.enabledGameTestNamespaces', mod_id; args '--nogui' }
         data {
-            // example of overriding the workingDirectory set in configureEach above
-            workingDirectory project.file('run-data')
+            data()
 
             // Specify the modid for data generation, where to output the resulting resource, and where to look for existing resources.
-            args '--mod', mod_id, '--all', '--output', file('src/generated/resources/'), '--existing', file('src/main/resources/')
+            programArguments.addAll('--mod', project.mod_id, '--all', '--output', file('src/generated/resources/').getAbsolutePath(), '--existing', file('src/main/resources/').getAbsolutePath())
+            programArguments.addAll('--existing-mod', 'gtceu')
         }
     }
-}
 
+    mods {
+        // define mod <-> source bindings
+        // these are used to tell the game which sources are for which mod
+        // mostly optional in a single mod project
+        // but multi mod projects should define one per mod
+        "${mod_id}" {
+            sourceSet(sourceSets.main)
+        }
+    }
+}
+jar {
+    manifest.attributes([
+            "MixinConfigs": "examplemod.mixins.json"
+    ])
+}
 
-apply plugin: 'org.spongepowered.mixin'
 apply from: "$rootDir/gradle/scripts/spotless.gradle"
 
 dependencies {
-    minecraft "net.minecraftforge:forge:${minecraft_version}-${forge_version}"
+    compileOnly("org.jetbrains:annotations:26.0.1")
 
     // Mixin
-    annotationProcessor "org.spongepowered:mixin:0.8.7:processor"
+    annotationProcessor('org.spongepowered:mixin:0.8.5:processor')
 
     // JEI, EMI, Jade
-    compileOnly fg.deobf("mezz.jei:jei-${minecraft_version}-forge-api:${jei_version}")
-    compileOnly fg.deobf("mezz.jei:jei-${minecraft_version}-common-api:${jei_version}")
-    runtimeOnly fg.deobf("mezz.jei:jei-${minecraft_version}-forge:${jei_version}")
-    runtimeOnly fg.deobf("dev.emi:emi-forge:${emi_version}+${minecraft_version}")
-    runtimeOnly fg.deobf("curse.maven:jade-324717:5390389")
+    modCompileOnly("mezz.jei:jei-${minecraft_version}-forge-api:${jei_version}")
+    modCompileOnly("mezz.jei:jei-${minecraft_version}-common-api:${jei_version}")
+    modRuntimeOnly("mezz.jei:jei-${minecraft_version}-forge:${jei_version}")
+    modRuntimeOnly("dev.emi:emi-forge:${emi_version}+${minecraft_version}")
+    modRuntimeOnly("curse.maven:jade-324717:5390389")
 
     // GregTech and dependencies
-    implementation fg.deobf("com.gregtechceu.gtceu:gtceu-${minecraft_version}:${gtceu_version}:slim") { transitive = false }
-    implementation fg.deobf("com.lowdragmc.ldlib:ldlib-forge-${minecraft_version}:${ldlib_version}") { transitive = false }
-    implementation fg.deobf("com.tterrag.registrate:Registrate:${registrate_version}")
-    runtimeOnly fg.deobf("dev.toma.configuration:configuration-forge-${minecraft_version}:${configuration_version}")
+    modImplementation("com.gregtechceu.gtceu:gtceu-${minecraft_version}:${gtceu_version}:slim") { transitive = false }
+    modImplementation("com.lowdragmc.ldlib:ldlib-forge-${minecraft_version}:${ldlib_version}") { transitive = false }
+    modImplementation("com.tterrag.registrate:Registrate:${registrate_version}")
+    modRuntimeOnly("dev.toma.configuration:configuration-forge-${minecraft_version}:${configuration_version}")
 
     // lombok
     compileOnly 'org.projectlombok:lombok:1.18.24'
diff --git a/gradle.properties b/gradle.properties
index cc422fb..3dfd1cd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,7 +8,7 @@ org.gradle.jvmargs=-Xmx1G
     # forge version, latest version can be found on https://files.minecraftforge.net/
     forge_version=47.4.0
     mapping_channel=parchment
-    mapping_version=2023.09.03-1.20.1
+    mapping_version=2023.09.03
 
 # Mod Properties
     mod_version=0.1.0
diff --git a/settings.gradle b/settings.gradle
index c8d784c..662c1a9 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -7,3 +7,6 @@ pluginManagement {
         maven { url = 'https://maven.parchmentmc.org' }
     }
 }
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '1.0.0'
+}
\ No newline at end of file