diff --git a/README.md b/README.md
index 93a0df2..4705c42 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 [![Build](https://github.com/vvatanabe/dynamomq/actions/workflows/build.yml/badge.svg)](https://github.com/vvatanabe/dynamomq/actions/workflows/build.yml) [![Go Report Card](https://goreportcard.com/badge/github.com/vvatanabe/dynamomq)](https://goreportcard.com/report/github.com/vvatanabe/dynamomq) [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq) [![Reliability Rating](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=reliability_rating)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq) [![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=security_rating)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq)  [![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=sqale_rating)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq) [![Vulnerabilities](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=vulnerabilities)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq) [![Bugs](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=bugs)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq) [![Code Smells](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=code_smells)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq) [![Duplicated Lines (%)](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=duplicated_lines_density)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq) [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=vvatanabe_dynamomq&metric=coverage)](https://sonarcloud.io/summary/new_code?id=vvatanabe_dynamomq)
 
 <p align="center">
-  <img width="460" height="300" src="https://cacoo.com/diagrams/DjoA2pSKnhCghTYM-192C1.png">
+  <img height="300" src="https://cacoo.com/diagrams/DjoA2pSKnhCghTYM-192C1.png">
 </p>
 
 Implementing message queueing with Amazon DynamoDB in Go.