diff --git a/package-lock.json b/package-lock.json
index 07e77a2..bc767bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3545,6 +3545,15 @@
         "debug": "^2.6.0"
       }
     },
+    "detect-port-alt": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/detect-port-alt/-/detect-port-alt-1.1.3.tgz",
+      "integrity": "sha1-pNLwYddXoDTs83xRQmCph1DysTE=",
+      "requires": {
+        "address": "^1.0.1",
+        "debug": "^2.6.0"
+      }
+    },
     "devcert-san": {
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/devcert-san/-/devcert-san-0.3.3.tgz",
@@ -11044,9 +11053,9 @@
       "integrity": "sha1-jqQmPNZFWgULN0RbPwj9g52G6Qk="
     },
     "react-dev-utils": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/react-dev-utils/-/react-dev-utils-4.2.1.tgz",
-      "integrity": "sha1-nydj57r6GhucUiVNKked7sKA8RE=",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/react-dev-utils/-/react-dev-utils-4.2.3.tgz",
+      "integrity": "sha512-uvmkwl5uMexCmC0GUv1XGQP0YjfYePJufGg4YYiukhqk2vN1tQxwWJIBERqhOmSi80cppZg8mZnPP/kOMf1sUQ==",
       "requires": {
         "address": "1.0.3",
         "babel-code-frame": "6.26.0",
@@ -11068,15 +11077,6 @@
         "text-table": "0.2.0"
       },
       "dependencies": {
-        "detect-port-alt": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/detect-port-alt/-/detect-port-alt-1.1.3.tgz",
-          "integrity": "sha1-pNLwYddXoDTs83xRQmCph1DysTE=",
-          "requires": {
-            "address": "^1.0.1",
-            "debug": "^2.6.0"
-          }
-        },
         "opn": {
           "version": "5.1.0",
           "resolved": "https://registry.npmjs.org/opn/-/opn-5.1.0.tgz",