diff --git a/eth-dapp/wrestling-dapp/package-lock.json b/eth-dapp/wrestling-dapp/package-lock.json
index db4cf68..658dda1 100644
--- a/eth-dapp/wrestling-dapp/package-lock.json
+++ b/eth-dapp/wrestling-dapp/package-lock.json
@@ -614,24 +614,10 @@
       }
     },
     "follow-redirects": {
-      "version": "1.5.2",
-      "resolved": "http://registry.npm.taobao.org/follow-redirects/download/follow-redirects-1.5.2.tgz",
-      "integrity": "sha1-Wp2A4BZZV+XvDBIQZ4/FxKy5+wM=",
-      "dev": true,
-      "requires": {
-        "debug": "^3.1.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "http://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
-          "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        }
-      }
+      "version": "1.14.8",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.8.tgz",
+      "integrity": "sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA==",
+      "dev": true
     },
     "for-in": {
       "version": "1.0.2",
@@ -685,7 +671,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1100,7 +1087,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1156,6 +1144,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1199,12 +1188,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },