diff --git a/package.json b/package.json
index ead7fdd..9ddaa10 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "main": "dist/assembler.js",
   "scripts": {
     "prepublish": "npm run build",
-    "build": "browserify src/assembler.js -o dist/assembler.js --standalone reduct.assembler -t [ babelify --presets [ es2015 ] ]",
+    "build": "browserify src/assembler.js -o dist/assembler.js --standalone reduct.assembler -t [ babelify --presets [ es2015 ] ] -p browserify-derequire",
     "lint": "xo src/**/*.js",
     "mocha": "export TEST=true && find ./src -name '*.spec.js' | xargs istanbul cover -x *.spec.js _mocha -- -R spec --compilers js:babel-register",
     "test": "npm run lint && npm run mocha && npm run build",
@@ -57,6 +57,7 @@
     "babel-register": "^6.3.13",
     "babelify": "^7.2.0",
     "browserify": "^12.0.1",
+    "browserify-derequire": "^0.9.4",
     "chai": "^3.4.1",
     "istanbul": "^0.4.1",
     "jsdom": "^7.2.2",