Attempt to look in the root project for the loom version if required

src/main/java/net/fabricmc/loom/AbstractPlugin.java

@@ -64,9 +64,7 @@ public class AbstractPlugin implements Plugin<Project> {
 	public void apply(Project target) {
 		this.project = target;
 
-		if(isRootProject(target)){
 		project.getLogger().lifecycle("Fabric Loom: " + AbstractPlugin.class.getPackage().getImplementationVersion());
-		}
 
 		// Apply default plugins
 		project.apply(ImmutableMap.of("plugin", "java"));

src/main/java/net/fabricmc/loom/LoomGradleExtension.java

@@ -157,6 +157,10 @@ public class LoomGradleExtension {
 			return false;
 		});
 
+		if(dependency == null && !AbstractPlugin.isRootProject(project)){
+			return project.getRootProject().getExtensions().getByType(LoomGradleExtension.class).getLoomVersion();
+		}
+
 		return dependency != null ? dependency.getVersion() : null;
 	}