diff --git a/README.md b/README.md
index 5b165b4..27cfa62 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,9 @@
 tk-serializer
 =============
+[![pipeline status](https://gitlab.com/thunderk/tk-serializer/badges/master/pipeline.svg)](https://gitlab.com/thunderk/tk-serializer/commits/master)
+[![coverage report](https://gitlab.com/thunderk/tk-serializer/badges/master/coverage.svg)](https://gitlab.com/thunderk/tk-serializer/commits/master)
+[![npm version](https://img.shields.io/npm/v/tk-serializer.svg)](https://npmjs.com/tk-serializer)
+[![npm size](https://img.shields.io/bundlephobia/min/tk-serializer.svg)](https://bundlephobia.com/result?p=tk-serializer)
 
 About
 -----