diff --git a/index.test.js b/index.test.js
index 4bf95fb..74b72ff 100644
--- a/index.test.js
+++ b/index.test.js
@@ -10,7 +10,7 @@ const defaultInputs = {
     tag_prefix: "v",
     major_pattern: "(MAJOR)",
     minor_pattern: "(MINOR)",
-    format: "${major}.${minor}.${patch}",
+    format: "${major}.${minor}.${patch}+${increment}",
     short_tags: true,
     bump_each_commit: false
 };
@@ -577,4 +577,4 @@ test('Tag prefix can include forward slash', () => {
     expect(result).toMatch('Version is 1.2.3+0');
 
     repo.clean();
-});
\ No newline at end of file
+});