diff --git a/package.json b/package.json
index 226f17b..b4c3511 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "esprima": "2.6.0",
     "magicpen-prism": "^2.2.1",
     "marked-papandreou": "0.3.3-patch3",
-    "passerror": "1.1.0",
+    "passerror": "1.1.1",
     "source-map": "0.5.1",
     "source-map-support": "0.4.0"
   },