diff --git a/package.json b/package.json
index b668359b2..643f3738a 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "jszip": "^3.1.3",
     "lodash": "^4.6.1",
     "moment": "^2.18.1",
-    "preconditions": "^1.0.8",
+    "preconditions": "^2.2.2",
     "shelljs": "^0.3.0",
     "sjcl": "^1.0.2",
     "unzip": "git+https://github.com/byteball/unzip.git",