diff --git a/build.gradle b/build.gradle
index e803e87d1..82f9594c5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
 	id "idea"
 	id "maven-publish"
 	id 'jacoco'
-	id "fabric-loom" version "1.4.4" apply false
+	id "fabric-loom" version "1.5.4" apply false
 	id "com.diffplug.spotless" version "6.20.0"
 	id "org.ajoberstar.grgit" version "3.1.0"
 	id "me.modmuss50.remotesign" version "0.4.0" apply false
@@ -157,6 +157,9 @@ allprojects {
 
 	loom {
 		splitEnvironmentSourceSets()
+		mixin {
+			useLegacyMixinAp = true
+		}
 	}
 
 	sourceSets {