diff --git a/test/lib/PackageOverrideFile.js b/test/lib/PackageOverrideFile.js
index d79c33c..c8359d4 100644
--- a/test/lib/PackageOverrideFile.js
+++ b/test/lib/PackageOverrideFile.js
@@ -14,6 +14,8 @@ var ALLOWED_PROPERTIES = [
 	'registry',
 	'dependencies',
 	'devDependencies',
+	'peerDependencies',
+	'optionalDependencies',
 	'directories.lib',
 	'directories.dist',
 	'format',