diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1,6 +1,7 @@
 # MT4 Client Library
 
 [![Go Reference](https://pkg.go.dev/badge/go.popov.link/metatrader4.svg)](https://pkg.go.dev/go.popov.link/metatrader4)
+[![codecov](https://codecov.io/gh/valentineus/go-metatrader4/graph/badge.svg?token=6ZE32TQERQ)](https://codecov.io/gh/valentineus/go-metatrader4)
 
 A lightweight Go client library for interacting with a MetaTrader 4 (MT4) trading server over TCP.