diff --git a/build.gradle b/build.gradle
index 63f0bbff..0bcbc9e7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 plugins {
     id 'java-library'
     id 'idea'
-    id 'net.neoforged.moddev' version '0.1.120'
+    id 'net.neoforged.moddev' version '1.0.17'
 }
 
 version = '3.2'
@@ -22,8 +22,7 @@ neoForge {
         minecraftVersion = project.parchment_minecraft_version
     }
 
-    //validateAccessTransformers = true
-    accessTransformers.add('src/main/resources/META-INF/accesstransformer.cfg')
+    accessTransformers = project.files('src/main/resources/META-INF/accesstransformer.cfg')
 
     runs {
         configureEach {
@@ -86,7 +85,10 @@ repositories {
     maven {
         name = 'KubeJS and Rhino'
         url = "https://maven.saps.dev/minecraft"
-        content { includeGroup "dev.latvian.mods" }
+        content {
+            includeGroup "dev.latvian.mods"
+            includeGroup "dev.latvian.apps"
+        }
     }
     maven {
         name = 'ModKit'
@@ -111,11 +113,18 @@ repositories {
             includeGroup "curse.maven"
         }
     }
+    // Required for KubeJS
+    maven {
+        url 'https://jitpack.io'
+        content {
+            includeGroup "com.github.rtyley"
+        }
+    }
 }
 
 dependencies {
     // TOP OPTIONAL
-    compileOnly("mcjty.theoneprobe:theoneprobe:${mc_version}_neo-${top_version}") {
+    compileOnly("mcjty.theoneprobe:theoneprobe:1.21_neo-${top_version}") {
         transitive = false
     }
     // JADE OPTIONAL
@@ -127,12 +136,12 @@ dependencies {
     compileOnly("me.shedaniel:RoughlyEnoughItems-forge:${rei_version}")
     compileOnly("me.shedaniel.cloth:cloth-config-neoforge:${cloth_config_version}")
     // EMI OPTIONAL
-    compileOnly("dev.emi:emi-neoforge:${emi_version}:api")
-    compileOnly("dev.emi:emi-neoforge:${emi_version}")
+    compileOnly("dev.emi:emi-neoforge:${emi_version}+${mc_version}:api")
+    compileOnly("dev.emi:emi-neoforge:${emi_version}+${mc_version}")
     //implementation("curse.maven:reipc-521393:4837449")
     // KubeJS OPTIONAL
     implementation("dev.architectury:architectury-neoforge:${architectury_version}")
-    implementation "curse.maven:rhino-416294:5554415"
+    implementation("dev.latvian.mods:rhino:${rhino_version}")
     implementation("dev.latvian.mods:kubejs-neoforge:${kubejs_version}")
 
     // ModKit DEV ONLY
@@ -165,21 +174,6 @@ tasks.withType(ProcessResources).configureEach {
     filesMatching(['META-INF/neoforge.mods.toml']) {
         expand replaceProperties
     }
-
-    // Minify JSON resources
-    // Actual reduction in file size is just a few KB, but why not?
-    doLast {
-        fileTree(dir: outputs.files.asPath, include: "**/*.json").each {
-            File file ->
-                //noinspection UnnecessaryQualifiedReference
-                try {
-                    file.text = groovy.json.JsonOutput.toJson(new groovy.json.JsonSlurper().parse(file))
-                } catch (Exception e) {
-                    println "Unable to minify file ${file.name}"
-                    throw new RuntimeException(e)
-                }
-        }
-    }
 }
 
 tasks.withType(JavaCompile).configureEach {
diff --git a/changelog.md b/changelog.md
index 1a2ecb5c..c2c3ee2e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+## Ex Deorum 3.3
+- Now built against Minecraft 1.21.1
+
 ## Ex Deorum 3.2
 - Fix KubeJS plugin.
 - Buff wooden crucibles to 4x like in old Ex Nihilo
diff --git a/gradle.properties b/gradle.properties
index 9da58f5c..2f504765 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,22 +1,25 @@
 # Sets default memory used for gradle commands. Can be overridden by user or command line properties.
 # This is required to provide enough memory for the Minecraft decompilation process.
-org.gradle.jvmargs=-Xmx3G
+org.gradle.jvmargs=-Xmx1G
+org.gradle.daemon=true
 org.gradle.parallel=true
+org.gradle.caching=true
+org.gradle.configuration-cache=true
 
-mc_version=1.21
-neo_version=21.0.147
-neo_version_range=[21,)
-loader_version_range=[3,)
+mc_version=1.21.1
+neo_version=21.1.51
+neo_version_range=[21.1,)
+loader_version_range=[4,)
 
-jei_version=19.5.3.67
+jei_version=19.18.3.204
 rei_version=14.0.688
-emi_version=1.1.7+1.21
+emi_version=1.1.13
 cloth_config_version=15.0.127
 top_version=12.0.3-5
 
-kubejs_version=2100.7.0-build.119
-#rhino_version=2004.2.3-build.4
+kubejs_version=2101.7.0-build.171
+rhino_version=2101.2.5-build.54
 architectury_version=13.0.6
 
-parchment_minecraft_version=1.20.6
-parchment_mappings_version=2024.06.02
+parchment_minecraft_version=1.21
+parchment_mappings_version=2024.07.28
\ No newline at end of file