diff --git a/README.md b/README.md
index 8ece6585..bc1fb0c4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# PHREEQC
+# PHREEQC ![workflow](https://github.com/usgs-coupled/phreeqc3/actions/workflows/cmake.yml/badge.svg)
 
 ## Description