diff --git a/README.md b/README.md
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+++ b/README.md
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 # Toss Payments Api Wrapper
-Toss Payments Api Wrapper, based on version 1.4
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+[![Go Report Card](https://goreportcard.com/badge/github.com/DeltaLaboratory/TossPaymentsApi)](https://goreportcard.com/report/github.com/DeltaLaboratory/TossPaymentsApi)\
+Toss Payments Api Wrapper, based on version 1.4