diff --git a/package.json b/package.json
index 080653a3..afc16628 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "levelup": "^1.3.1",
     "memdown": "^1.1.2",
     "mermaid": "^7.0.0",
-    "moment": "2.18.0",
+    "moment": "2.22.1",
     "octicons": "^6.0.0",
     "octokat": "^0.7.0",
     "puzzle-script": "0.0.2",