diff --git a/package.json b/package.json
index a5caf2de36762dd56f314611e416b66b4f36e48c..9890d2c264f1ba9497d535e37d5d1d4f964d87fe 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "jison": "0.4.17",
     "js-yaml": "3.8.2",
     "merkle": "0.5.1",
-    "moment": "2.18.1",
+    "moment": "2.19.3",
     "morgan": "1.8.1",
     "multimeter": "0.1.1",
     "naclb": "1.3.9",