diff --git a/package.json b/package.json
index 9f262a0..f767b23 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "marked": "^0.3.2",
     "prettysize": "0.0.3",
     "rework": "^0.20.2",
-    "shelljs": "^0.7.4",
+    "shelljs": "^0.8.3",
     "tap-spec": "^2.1.2",
     "tape": "^4.6.2",
     "uglify-js": "^2.4.15"