diff --git a/package.json b/package.json
index f54061845b..90976cb4db 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "node-firefox-connect": "1.2.0",
     "regenerator-runtime": "0.9.5",
     "sign-addon": "0.2.0",
-    "source-map-support": "0.4.5",
+    "source-map-support": "0.4.6",
     "stream-to-promise": "2.2.0",
     "tmp": "0.0.29",
     "watchpack": "1.1.0",