diff --git a/package.json b/package.json
index 6c3c3c1..7dec286 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "gulp-rename": "^2.1.0",
     "gulp-webpack": "^1.3.0",
     "mocha": "^12.0.3",
-    "pegjs": "^0.8.0",
+    "pegjs": "^0.10.0",
     "webpack": "^1.4.13"
   }
 }