diff --git a/README.md b/README.md
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 [![Build Status](https://travis-ci.org/hajimehoshi/ebiten.svg?branch=master)](https://travis-ci.org/hajimehoshi/ebiten)
 [![GoDoc](https://godoc.org/github.com/hajimehoshi/ebiten?status.svg)](http://godoc.org/github.com/hajimehoshi/ebiten)
+[![Go Report Card](https://goreportcard.com/badge/github.com/hajimehoshi/ebiten)](https://goreportcard.com/report/github.com/hajimehoshi/ebiten)
 
 
 * A simple SNES-like 2D game library in Go