diff --git a/README.md b/README.md
index 05ce5ad..5459c53 100644
--- a/README.md
+++ b/README.md
@@ -172,6 +172,10 @@ On macOS (OS X) with Homebrew:
 
     brew install shellcheck
 
+Or with MacPorts:
+
+    sudo port install shellcheck
+
 On OpenBSD:
 
     pkg_add shellcheck