diff --git a/Chapter05/mern-social/package-lock.json b/Chapter05/mern-social/package-lock.json
index 7454803d..2b0099cb 100644
--- a/Chapter05/mern-social/package-lock.json
+++ b/Chapter05/mern-social/package-lock.json
@@ -3209,7 +3209,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3230,12 +3231,14 @@
         "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"
@@ -3250,17 +3253,20 @@
         "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",
@@ -3377,7 +3383,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3389,6 +3396,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -3403,19 +3411,23 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
         },
         "minimist": {
-          "version": "0.0.8",
-          "bundled": true,
-          "dev": true
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.1",
             "yallist": "3.0.2"
@@ -3430,14 +3442,6 @@
             "minipass": "2.2.4"
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-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
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-          }
-        },
         "ms": {
           "version": "2.0.0",
           "bundled": true,
@@ -3514,7 +3518,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3526,6 +3531,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -3574,14 +3580,6 @@
             "ini": "1.3.5",
             "minimist": "1.2.0",
             "strip-json-comments": "2.0.1"
-          },
-          "dependencies": {
-            "minimist": {
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-              "bundled": true,
-              "dev": true,
-              "optional": true
-            }
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         "readable-stream": {
@@ -3611,7 +3609,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3647,6 +3646,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -3666,6 +3666,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -3709,12 +3710,14 @@
         "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
         }
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     },
@@ -3832,26 +3835,26 @@
     "glob-all": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/glob-all/-/glob-all-3.1.0.tgz",
-      "integrity": "sha1-iRPd+17hrHgSZWJBsD1SF8ZLAqs=",
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       "dev": true,
       "requires": {
-        "glob": "7.1.2",
-        "yargs": "1.2.6"
+        "glob": "^7.0.5",
+        "yargs": "~1.2.6"
       },
       "dependencies": {
         "minimist": {
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           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.1.0.tgz",
-          "integrity": "sha1-md9lelJXTCHJBXSX33QnkLK0wN4=",
+          "integrity": "sha512-wR5Ipl99t0mTGwLjQJnBjrP/O7zBbLZqvA3aw32DmLx+nXHfWctUjzDjnDx09pX1Po86WFQazF9xUzfMea3Cnw==",
           "dev": true
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         "yargs": {
           "version": "1.2.6",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-1.2.6.tgz",
-          "integrity": "sha1-nHtKgv1dWVsr8Xq23MQxNUMv40s=",
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           "dev": true,
           "requires": {
-            "minimist": "0.1.0"
+            "minimist": "^0.1.0"
           }
         }
       }
@@ -5302,7 +5305,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
@@ -5487,7 +5490,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
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@@ -5820,7 +5823,7 @@
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       "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+      "integrity": "sha512-miQKw5Hv4NS1Psg2517mV4e4dYNaO3++hjAvLOAzKqZ61rH8NS1SK+vbfBWZ5PY/Me/bEWhUwqMghEW5Fb9T7Q==",
       "dev": true
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     "mississippi": {
@@ -5865,7 +5868,7 @@
     "mkdirp": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "integrity": "sha512-SknJC52obPfGQPnjIkXbmA6+5H15E+fR+E4iR2oQ3zzCLbd7/ONua69R/Gw7AgkTLsRG+r5fzksYwWe1AgTyWA==",
       "dev": true,
       "requires": {
         "minimist": "0.0.8"
@@ -6365,7 +6368,7 @@
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         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
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@@ -7026,7 +7029,7 @@
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           "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
           "dev": true
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@@ -9469,7 +9472,7 @@
         "minimist": {
           "version": "1.2.0",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
           "dev": true
         },
         "supports-color": {