diff --git a/react-the-complete-guide/shikanga-react-complete-guide/package-lock.json b/react-the-complete-guide/shikanga-react-complete-guide/package-lock.json
index 51de1c4..100d055 100644
--- a/react-the-complete-guide/shikanga-react-complete-guide/package-lock.json
+++ b/react-the-complete-guide/shikanga-react-complete-guide/package-lock.json
@@ -3829,47 +3829,47 @@
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         "content-disposition": "0.5.3",
-        "content-type": "1.0.4",
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         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
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-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
-        "finalhandler": "1.1.2",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "finalhandler": "~1.1.2",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.3",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.3",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.5",
+        "proxy-addr": "~2.0.5",
         "qs": "6.7.0",
-        "range-parser": "1.2.1",
+        "range-parser": "~1.2.1",
         "safe-buffer": "5.1.2",
         "send": "0.17.1",
         "serve-static": "1.14.1",
         "setprototypeof": "1.1.1",
-        "statuses": "1.5.0",
-        "type-is": "1.6.18",
+        "statuses": "~1.5.0",
+        "type-is": "~1.6.18",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
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           "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-          "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+          "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
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           "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-          "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
+          "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
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           "version": "6.7.0",
@@ -4200,7 +4200,8 @@
         },
         "ansi-regex": {
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-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -4218,11 +4219,13 @@
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         "balanced-match": {
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+          "bundled": true,
+          "optional": true
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           "bundled": true,
+          "optional": true,
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@@ -4235,15 +4238,18 @@
         },
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+          "bundled": true,
+          "optional": true
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+          "bundled": true,
+          "optional": true
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@@ -4346,7 +4352,8 @@
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+          "bundled": true,
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@@ -4356,6 +4363,7 @@
         "is-fullwidth-code-point": {
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           "bundled": true,
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           }
@@ -4368,17 +4376,20 @@
         "minimatch": {
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           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
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         "minimist": {
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-          "bundled": true
+          "bundled": true,
+          "optional": true
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           "bundled": true,
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@@ -4395,6 +4406,7 @@
         "mkdirp": {
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           "requires": {
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           }
@@ -4475,7 +4487,8 @@
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@@ -4485,6 +4498,7 @@
         "once": {
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           "bundled": true,
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@@ -4560,7 +4574,8 @@
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@@ -4590,6 +4605,7 @@
         "string-width": {
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           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4607,6 +4623,7 @@
         "strip-ansi": {
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           "bundled": true,
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           "requires": {
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           }
@@ -4645,11 +4662,13 @@
         },
         "wrappy": {
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+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },