diff --git a/src/main/java/net/fabricmc/loom/configuration/RemapConfiguration.java b/src/main/java/net/fabricmc/loom/configuration/RemapConfiguration.java
index bc10dbd4..0ca3f7b8 100644
--- a/src/main/java/net/fabricmc/loom/configuration/RemapConfiguration.java
+++ b/src/main/java/net/fabricmc/loom/configuration/RemapConfiguration.java
@@ -25,6 +25,7 @@
 package net.fabricmc.loom.configuration;
 
 import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
 
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
@@ -33,6 +34,7 @@ import org.gradle.api.Project;
 import org.gradle.api.Task;
 import org.gradle.api.UnknownTaskException;
 import org.gradle.api.plugins.JavaPlugin;
+import org.gradle.api.provider.Property;
 import org.gradle.api.tasks.bundling.AbstractArchiveTask;
 import org.gradle.api.tasks.bundling.Jar;
 import org.jetbrains.annotations.ApiStatus;
@@ -149,7 +151,8 @@ public class RemapConfiguration {
 			RemapSourcesJarTask remapSourcesJarTask = (RemapSourcesJarTask) project.getTasks().findByName(remapSourcesJarTaskName);
 			Preconditions.checkNotNull(remapSourcesJarTask, "Could not find " + remapSourcesJarTaskName + " in " + project.getName());
 			remapSourcesJarTask.setOutput(sourcesTask.getArchivePath());
-			sourcesTask.setClassifier(sourcesTask.getClassifier() == null ? "dev" : sourcesTask.getClassifier() + "-dev");
+			String sourcesTaskClassifer = getTaskClassifier(sourcesTask);
+			setTaskClassifier(sourcesTask, sourcesTaskClassifer == null ? "dev" : sourcesTaskClassifer + "-dev");
 			remapSourcesJarTask.setInput(sourcesTask.getArchivePath());
 			remapSourcesJarTask.dependsOn(sourcesTask);
 
@@ -173,4 +176,26 @@ public class RemapConfiguration {
 			// pass
 		}
 	}
+
+	private static String getTaskClassifier(AbstractArchiveTask sourcesTask) {
+		try {
+			Property<String> property = (Property<String>) AbstractArchiveTask.class.getDeclaredMethod("getArchiveClassifier").invoke(sourcesTask);
+			return property.get();
+		} catch (NoSuchMethodException e) {
+			return sourcesTask.getClassifier();
+		} catch (InvocationTargetException | IllegalAccessException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	private static void setTaskClassifier(AbstractArchiveTask sourcesTask, String s) {
+		try {
+			Property<String> property = (Property<String>) AbstractArchiveTask.class.getDeclaredMethod("getArchiveClassifier").invoke(sourcesTask);
+			property.set(s);
+		} catch (NoSuchMethodException e) {
+			sourcesTask.setClassifier(s);
+		} catch (InvocationTargetException | IllegalAccessException e) {
+			throw new RuntimeException(e);
+		}
+	}
 }
diff --git a/src/test/resources/projects/accesswidener/build.gradle b/src/test/resources/projects/accesswidener/build.gradle
index 42e0b4ec..b339c241 100644
--- a/src/test/resources/projects/accesswidener/build.gradle
+++ b/src/test/resources/projects/accesswidener/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 	id 'maven-publish'
 }
 
diff --git a/src/test/resources/projects/decompile/build.gradle b/src/test/resources/projects/decompile/build.gradle
index daa90b14..a142f77f 100644
--- a/src/test/resources/projects/decompile/build.gradle
+++ b/src/test/resources/projects/decompile/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 }
 
 dependencies {
diff --git a/src/test/resources/projects/kotlin/build.gradle.kts b/src/test/resources/projects/kotlin/build.gradle.kts
index 5330c341..3a72942e 100644
--- a/src/test/resources/projects/kotlin/build.gradle.kts
+++ b/src/test/resources/projects/kotlin/build.gradle.kts
@@ -2,7 +2,7 @@ import java.util.Properties
 
 plugins {
 	kotlin("jvm") version "1.4.31"
-	id("fabric-loom")
+	id("dev.architectury.loom")
 }
 
 java {
diff --git a/src/test/resources/projects/legacy/build.gradle b/src/test/resources/projects/legacy/build.gradle
index 92e5147d..fd6f59fe 100644
--- a/src/test/resources/projects/legacy/build.gradle
+++ b/src/test/resources/projects/legacy/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 }
 
 sourceCompatibility = JavaVersion.VERSION_1_8
diff --git a/src/test/resources/projects/localFileDependency/build.gradle b/src/test/resources/projects/localFileDependency/build.gradle
index c56a5a8a..0ee2b84f 100644
--- a/src/test/resources/projects/localFileDependency/build.gradle
+++ b/src/test/resources/projects/localFileDependency/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 	id 'maven-publish'
 }
 
diff --git a/src/test/resources/projects/maven/build.gradle b/src/test/resources/projects/maven/build.gradle
index 56930fcd..98613ab5 100644
--- a/src/test/resources/projects/maven/build.gradle
+++ b/src/test/resources/projects/maven/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 	id 'maven-publish'
 }
 
diff --git a/src/test/resources/projects/mavenLibrary/build.gradle b/src/test/resources/projects/mavenLibrary/build.gradle
index e0121c35..92ab7865 100644
--- a/src/test/resources/projects/mavenLibrary/build.gradle
+++ b/src/test/resources/projects/mavenLibrary/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 	id 'maven-publish'
 }
 
diff --git a/src/test/resources/projects/mojangMappings/build.gradle b/src/test/resources/projects/mojangMappings/build.gradle
index 193627e9..2cceac0e 100644
--- a/src/test/resources/projects/mojangMappings/build.gradle
+++ b/src/test/resources/projects/mojangMappings/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 	id 'maven-publish'
 }
 
diff --git a/src/test/resources/projects/multiproject/build.gradle b/src/test/resources/projects/multiproject/build.gradle
index 46fab3ed..0d389a0e 100644
--- a/src/test/resources/projects/multiproject/build.gradle
+++ b/src/test/resources/projects/multiproject/build.gradle
@@ -1,11 +1,11 @@
 plugins {
 	id "java"
 	id "java-library"
-	id 'fabric-loom' apply false
+	id 'dev.architectury.loom' apply false
 }
 
 allprojects {
-	apply plugin: "fabric-loom"
+	apply plugin: "dev.architectury.loom"
 
 	version = "1.0.0"
 
diff --git a/src/test/resources/projects/reproducible/build.gradle b/src/test/resources/projects/reproducible/build.gradle
index de5d2cc3..bfdf85c6 100644
--- a/src/test/resources/projects/reproducible/build.gradle
+++ b/src/test/resources/projects/reproducible/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 	id 'maven-publish'
 }
 
diff --git a/src/test/resources/projects/runconfigs/build.gradle b/src/test/resources/projects/runconfigs/build.gradle
index dbdd21e5..9ea9de9e 100644
--- a/src/test/resources/projects/runconfigs/build.gradle
+++ b/src/test/resources/projects/runconfigs/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 }
 
 loom {
diff --git a/src/test/resources/projects/simple/build.gradle b/src/test/resources/projects/simple/build.gradle
index 771502c4..b8917573 100644
--- a/src/test/resources/projects/simple/build.gradle
+++ b/src/test/resources/projects/simple/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 	id 'maven-publish'
 }
 
diff --git a/src/test/resources/projects/unpick/build.gradle b/src/test/resources/projects/unpick/build.gradle
index 4b79a1b0..a0d8b223 100644
--- a/src/test/resources/projects/unpick/build.gradle
+++ b/src/test/resources/projects/unpick/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'dev.architectury.loom'
 }
 
 dependencies {