diff --git a/Gruntfile.js b/Gruntfile.js
index fb9471b0..ee063729 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -68,6 +68,7 @@ module.exports = function(grunt) {
                 banner: "//! <%= pkg.name %> <%= pkg.version %>\n"
                     + "//! Built on <%= grunt.template.today('yyyy-mm-dd') %>\n"
                     + "//! Git commit: <%= gitInfo %>\n"
+                    + "//! License: http://openseadragon.github.io/license/\n"
                     + "//! http://openseadragon.github.io\n\n",
                 process: true
             },