diff --git a/build.gradle b/build.gradle
index 3a3d8e8b3b..a0a3dcbd33 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ buildscript {
 	}
 	dependencies {
 		classpath "cuchaz:enigma:0.14.2.143"
-		classpath "net.fabricmc:stitch:0.3.0.66"
+		classpath "net.fabricmc:stitch:0.4.0.67"
 		classpath "commons-io:commons-io:2.6"
 		classpath "com.google.guava:guava:28.0-jre"
 		classpath 'de.undercouch:gradle-download-task:3.4.3'
@@ -48,7 +48,7 @@ configurations {
 }
 
 dependencies {
-	enigmaRuntime "net.fabricmc:stitch:0.3.0.66"
+	enigmaRuntime "net.fabricmc:stitch:0.3.0.67"
 	enigmaRuntime "cuchaz:enigma:0.14.2.143"
 }
 
@@ -375,7 +375,6 @@ task buildYarnTiny(dependsOn: mergeJars, type: WithV2FileOutput) {
 
 		new ConvertMappingsCommand().run(v1Args)
 		new ConvertMappingsCommand().run(v2Args)
-		def x = 2
 	}
 }
 
@@ -561,7 +560,8 @@ task insertAutoGeneratedEnumMappings(dependsOn : [buildYarnTiny,mapIntermediaryJ
 		String[] argsProposeV2 = [
 				intermediaryJar.getAbsolutePath(), // must use intermediary jar
 				noEnumV2.getAbsolutePath(),
-				output.getAbsolutePath()
+				output.getAbsolutePath(),
+				"false" // don't replace existing names right now
 		]
 
 		new CommandProposeV2FieldNames().run(argsProposeV2)