diff --git a/README.md b/README.md
index dc813abb8..9e966c64d 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,9 @@
   <a href="https://github.com/graphprotocol/contracts/actions/workflows/ci-contracts.yml">
     <img src="https://github.com/graphprotocol/contracts/actions/workflows/ci-contracts.yml/badge.svg" alt="CI-Contracts">
   </a>
+  <a href="https://github.com/graphprotocol/contracts/actions/workflows/ci-horizon.yml">
+    <img src="https://github.com/graphprotocol/contracts/actions/workflows/ci-horizon.yml/badge.svg" alt="CI-Horizon">
+  </a>
 </p>
 
 <p align="center">