diff --git a/lib/rules/subsystem.js b/lib/rules/subsystem.js
index 92a7771..6782d23 100644
--- a/lib/rules/subsystem.js
+++ b/lib/rules/subsystem.js
@@ -64,6 +64,7 @@ const validSubsystems = [
 , 'util'
 , 'v8'
 , 'vm'
+, 'worker' 
 , 'zlib'
 ]