diff --git a/package.json b/package.json
index 3efbcda7b3..0c79f146f9 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
   "devDependencies": {
     "@types/bignumber.js": "^4.0.2",
     "@types/chai": "^3.5.2",
+    "@types/jsonschema": "^1.1.1",
     "@types/lodash": "^4.14.64",
     "@types/mocha": "^2.2.41",
     "@types/node": "^7.0.22",