diff --git a/package.json b/package.json
index c475101..4a2d2ae 100644
--- a/package.json
+++ b/package.json
@@ -24,13 +24,14 @@
     "node": ">=4"
   },
   "dependencies": {
-    "body-parser": "~1.17.1",
+    "body-parser": "^1.18.3",
     "chalk": "~1.1",
-    "compression": "~1.6",
-    "express": "~4.15.2",
+    "compression": "^1.7.2",
+    "express": "^4.16.3",
     "express-hbs": "~1.0",
     "http-headers": "^3.0.1",
-    "moment": "~2.15.2",
+    "moment": "^2.22.2",
+    "npm": "^6.1.0",
     "pa11y-webservice": "^2.3.1",
     "pa11y-webservice-client-node": "^1.2.1",
     "underscore": "~1.8"