diff --git a/packages/config/src/index.ts b/packages/config/src/index.ts
index 57a742f9c2..a448305487 100644
--- a/packages/config/src/index.ts
+++ b/packages/config/src/index.ts
@@ -78,6 +78,7 @@ export default async (
     'prefix': npmDefaults.prefix,
     'registry': npmDefaults.registry,
     'shrinkwrap': npmDefaults.shrinkwrap,
+    'unsafe-perm': npmDefaults['unsafe-perm'],
   })
 
   process.execPath = originalExecPath