diff --git a/package.json b/package.json
index faee4469c7..eb3af6c47c 100644
--- a/package.json
+++ b/package.json
@@ -169,7 +169,7 @@
     "readable-stream": "^3.1.1",
     "receptacle": "^1.3.2",
     "stream-to-pull-stream": "^1.7.3",
-    "superstruct": "^0.6.0",
+    "superstruct": "~0.6.0",
     "tar-stream": "^2.0.0",
     "temp": "~0.9.0",
     "update-notifier": "^2.5.0",