diff --git a/build.gradle b/build.gradle
index 857899043..2790bfbc8 100755
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ buildscript {
 
 plugins {
     id "architectury-plugin" version "3.4.135"
-    id 'dev.architectury.loom' version '0.11.0.254' apply false
+    id 'dev.architectury.loom' version '0.12.0.282' apply false
 }
 
 subprojects {
diff --git a/src/launch/resources/mixins.baritone.json b/src/launch/resources/mixins.baritone.json
index eb461292f..4b9ea4c91 100644
--- a/src/launch/resources/mixins.baritone.json
+++ b/src/launch/resources/mixins.baritone.json
@@ -2,7 +2,6 @@
   "required": true,
   "package": "baritone.launch.mixins",
   "compatibilityLevel": "JAVA_17",
-  "refmap": "baritone-common-refmap.json",
   "verbose": false,
   "injectors": {
     "maxShiftBy": 2,
diff --git a/tweaker/build.gradle b/tweaker/build.gradle
index f6b114841..9facdb8d2 100644
--- a/tweaker/build.gradle
+++ b/tweaker/build.gradle
@@ -7,11 +7,13 @@ architectury {
 
 loom {
     mixin {
-        legacyRemapToNamespace = "official"
+        refmapTargetNamespace = "official"
         defaultRefmapName = "baritone-common-refmap.json"
     }
 }
 
+loom.mixin.useLegacyMixinAp = false;
+
 // ignore this jank, it's so I don't have to move the src folder, as that creates unnecessary git conflicts
 sourceSets {
     realmain {