diff --git a/package-lock.json b/package-lock.json
index 628eed2..91b043f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,15 +44,6 @@
             "ms": "^2.1.1"
           }
         },
-        "json5": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.1.tgz",
-          "integrity": "sha512-l+3HXD0GEI3huGq1njuqtzYK8OYJyXMkOLtQ53pjWh89tvWS2h6l+1zMkYWqlb57+SiQodKZyvMEFb2X+KrFhQ==",
-          "dev": true,
-          "requires": {
-            "minimist": "^1.2.0"
-          }
-        },
         "semver": {
           "version": "5.7.1",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -2461,11 +2452,11 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
     "config": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/config/-/config-2.0.2.tgz",
-      "integrity": "sha512-duIbkKb0gls0bOtGwd1vaD4236MwepQlZcrMheOGrn3/9Px7oYFh8G4LB3ylGOlPr5wGoJRm8Grb2RihJZxuHQ==",
+      "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"
       }
     },
     "connect-flash": {
@@ -4818,7 +4809,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4839,12 +4831,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -4859,17 +4853,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4986,7 +4983,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4998,6 +4996,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5012,6 +5011,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -5019,12 +5019,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -5043,6 +5045,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5123,7 +5126,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5135,6 +5139,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5220,7 +5225,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5256,6 +5262,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5275,6 +5282,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5318,12 +5326,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -7160,12 +7170,9 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "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=="
     },
     "jsonfile": {
       "version": "4.0.0",
@@ -7719,7 +7726,8 @@
     "minimist": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "dev": true
     },
     "mixin-deep": {
       "version": "1.3.2",
@@ -9456,15 +9464,6 @@
           "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
           "dev": true
         },
-        "json5": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.1.tgz",
-          "integrity": "sha512-l+3HXD0GEI3huGq1njuqtzYK8OYJyXMkOLtQ53pjWh89tvWS2h6l+1zMkYWqlb57+SiQodKZyvMEFb2X+KrFhQ==",
-          "dev": true,
-          "requires": {
-            "minimist": "^1.2.0"
-          }
-        },
         "semver": {
           "version": "5.7.1",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
diff --git a/package.json b/package.json
index 166d695..1067e0e 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@blockchainlabs/ibm-certificate-manager-wallet": "0.0.3",
     "@hapi/joi": "^16.1.1",
     "body-parser": "^1.18.3",
-    "config": "^2.0.1",
+    "config": "^3.3.8",
     "express": "~4.16.0",
     "fabric-ca-client": "1.4.0",
     "fabric-client": "1.4.0",