diff --git a/package.json b/package.json
index 1177348..fd50766 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "gulp-rename": "^1.2.0",
     "gulp-babel": "^5.0.0",
     "gulp-run": "^1.6.6",
-    "gulp-sourcemaps": "^2.0.1",
+    "gulp-sourcemaps": "^2.2.1",
     "gulp-watch": "^4.1.0",
     "mochify": "^2.2.0"
   }