diff --git a/README.md b/README.md
index 9b8b0f48fa54698d4daaf7d49ed5f0f871ed3641..feb27b40516f899a9fc37fa7bd07ecd82cdf5dd6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
-[![Build Status](https://travis-ci.org/tlaplus/tlaplus.svg?branch=master)](https://travis-ci.org/tlaplus/tlaplus)
+[![TLC Build Status](https://travis-ci.org/tlaplus/tlaplus.svg?branch=master)](https://travis-ci.org/tlaplus/tlaplus)
+[![Toolbox Build Status](https://github.com/tlaplus/tlaplus/workflows/CI/badge.svg?branch=master)](https://github.com/tlaplus/tlaplus/actions?query=workflow%3ACI)
 
 For more information, visit http://lamport.azurewebsites.net/tla/tla.html