diff --git a/package-overrides/github/MikeMcl/big.js@2.5.1 b/package-overrides/github/MikeMcl/big.js@2.5.1
new file mode 100644
index 0000000..8f69f75
--- /dev/null
+++ b/package-overrides/github/MikeMcl/big.js@2.5.1
@@ -0,0 +1,3 @@
+{
+    "main": "big.js"
+}
diff --git a/registry.json b/registry.json
index 0c9d735..102fc82 100644
--- a/registry.json
+++ b/registry.json
@@ -48,6 +48,7 @@
   "backbone": "npm:backbone",
   "backbone.babysitter": "github:marionettejs/backbone.babysitter",
   "backbone.wreqr": "github:marionettejs/backbone.wreqr",
+  "big.js": "github:MikeMcl/big.js",
   "bootstrap": "github:twbs/bootstrap",
   "buffer": "github:jspm/nodelibs-buffer",
   "chart": "github:nnnick/Chart.js",