diff --git a/__tests__/versionutil.test.ts b/__tests__/versionutil.test.ts
index b816013..1eb4697 100644
--- a/__tests__/versionutil.test.ts
+++ b/__tests__/versionutil.test.ts
@@ -13,6 +13,8 @@ describe('version tests', () => {
   );
 
   each([
+    ['3.x', '3.1'],
+    ['3.*', '3.1'],
     ['3.1.x', '3.1'],
     ['1.1.*', '1.1'],
     ['2.0', '2.0']