diff --git a/package.json b/package.json
index 20af2ff..e37e1e7 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "babel-plugin-istanbul": "^4.1.4",
     "babel-preset-es2015": "^6.24.1",
     "babelify": "^7.3.0",
-    "browserify": "^14.4.0",
+    "browserify": "^15.0.0",
     "clean-css-cli": "^4.1.3",
     "codecov": "^3.0.0",
     "jasmine-core": "^2.3.4",