diff --git a/package.json b/package.json
index df53026..9c9dce0 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "broccoli-caching-writer": "3.0.0",
     "broccoli-kitchen-sink-helpers": "0.3.1",
     "mkdirp": "^0.5.1",
-    "object-assign": "4.1.0",
+    "object-assign": "4.1.1",
     "svgstore": "^2.0.2"
   },
   "devDependencies": {