diff --git a/package-lock.json b/package-lock.json
index 8a9c2b4..2c83d6e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -329,11 +329,11 @@
       "dev": true
     },
     "config": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/config/-/config-3.2.2.tgz",
-      "integrity": "sha512-rOsfIOAcG82AWouK4/vBS/OKz3UPl2T/kP0irExmXJJOoWg2CmdfPLdx56bCoMUMFNh+7soQkQWCUC8DyemiwQ==",
+      "version": "3.3.8",
+      "resolved": "https://registry.npmjs.org/config/-/config-3.3.8.tgz",
+      "integrity": "sha512-rFzF6VESOdp7wAXFlB9IOZI4ouL05g3A03v2eRcTHj2JBQaTNJ40zhAUl5wRbWHqLZ+uqp/7OE0BWWtAVgrong==",
       "requires": {
-        "json5": "^1.0.1"
+        "json5": "^2.2.1"
       }
     },
     "contains-path": {
@@ -1286,12 +1286,9 @@
       "dev": true
     },
     "json5": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-      "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
-      "requires": {
-        "minimist": "^1.2.0"
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg=="
     },
     "jsx-ast-utils": {
       "version": "2.2.1",
@@ -1427,7 +1424,8 @@
     "minimist": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "dev": true
     },
     "mkdirp": {
       "version": "0.5.1",
diff --git a/package.json b/package.json
index 448a1fa..f8d5e6d 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "dependencies": {
     "bluebird": "^3.5.1",
     "body-parser": "^1.15.1",
-    "config": "^3.0.1",
+    "config": "^3.3.8",
     "cors": "^2.7.1",
     "express": "^4.15.4",
     "get-parameter-names": "^0.3.0",