diff --git a/src/secp256k1/README.md b/src/secp256k1/README.md
--- a/src/secp256k1/README.md
+++ b/src/secp256k1/README.md
@@ -1,7 +1,7 @@
 libsecp256k1
 ============
 
-[![Build Status](https://api.cirrus-ci.com/github/bitcoin-abc/secp256k1.svg?branch=master)](https://cirrus-ci.com/github/bitcoin-abc/secp256k1)
+[![Build Status](https://api.cirrus-ci.com/github/Bitcoin-ABC/secp256k1.svg?branch=master)](https://cirrus-ci.com/github/Bitcoin-ABC/secp256k1)
 
 Optimized C library for cryptographic operations on curve secp256k1.