diff --git a/package.json b/package.json
index e2b558d..59f806c 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "istanbul": "^0.4.5",
     "mocha": "^4.0.0",
     "mocha-junit-reporter": "^1.15.0",
-    "power-assert": "^1.4.2"
+    "power-assert": "^1.6.0"
   },
   "dependencies": {
     "form-data": "^2.1.2",