diff --git a/registry.json b/registry.json
index 6df3e99..ed55d6f 100644
--- a/registry.json
+++ b/registry.json
@@ -55,6 +55,7 @@
   "cram": "github:cujojs/cram",
   "curl": "github:cujojs/curl",
   "d3": "github:mbostock/d3",
+  "decimal": "npm:decimal",
   "di": "github:angular/di.js",
   "dropzone": "github:enyo/dropzone",
   "ember": "github:components/ember",