diff --git a/mock/package-lock.json b/mock/package-lock.json
index 58eb77e..96763e8 100644
--- a/mock/package-lock.json
+++ b/mock/package-lock.json
@@ -99,11 +99,11 @@
       }
     },
     "config": {
-      "version": "3.2.6",
-      "resolved": "https://registry.npmjs.org/config/-/config-3.2.6.tgz",
-      "integrity": "sha512-oDHjuBD4w4qrG/Rb0ghDeELz6u/NR0Jb0hP6tEEKWTC6e/mD+rXmPTdPPQMAjtgyo+p7ILb8MvTX/erbDuGzqA==",
+      "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"
       }
     },
     "content-disposition": {
@@ -321,12 +321,9 @@
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
     "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=="
     },
     "kuler": {
       "version": "1.0.1",
@@ -393,11 +390,6 @@
         "mime-db": "1.43.0"
       }
     },
-    "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
-    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
diff --git a/mock/package.json b/mock/package.json
index f858577..c445898 100644
--- a/mock/package.json
+++ b/mock/package.json
@@ -12,7 +12,7 @@
     "express": "^4.15.4",
     "body-parser": "^1.15.1",
     "cors": "^2.7.1",
-    "config": "^3.0.1",
+    "config": "^3.3.8",
     "winston": "^3.1.0"
   }
 }