diff --git a/_dissecting-rxjs-master-2018/chapter-14/redux-rxjs/observable/package-lock.json b/_dissecting-rxjs-master-2018/chapter-14/redux-rxjs/observable/package-lock.json
index 0132152..d2a87fe 100644
--- a/_dissecting-rxjs-master-2018/chapter-14/redux-rxjs/observable/package-lock.json
+++ b/_dissecting-rxjs-master-2018/chapter-14/redux-rxjs/observable/package-lock.json
@@ -1222,6 +1222,13 @@
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+        }
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@@ -3119,50 +3126,55 @@
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-      "integrity": "sha1-41xt/i1kt9ygpc1PIXgb4ymeB2w=",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.16.2.tgz",
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         "content-disposition": "0.5.2",
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-        "encodeurl": "1.0.1",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.1",
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
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-        "on-finished": "2.3.0",
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         "qs": "6.5.1",
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+        "statuses": "~1.3.1",
+        "type-is": "~1.6.15",
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-          "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+          "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
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-          "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
+          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
+          "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
+        },
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+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.1.tgz",
+          "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A=="
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@@ -3449,7 +3461,8 @@
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@@ -3492,7 +3505,8 @@
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@@ -3505,6 +3519,7 @@
         "block-stream": {
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           }
@@ -3512,6 +3527,7 @@
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           }
@@ -3519,6 +3535,7 @@
         "brace-expansion": {
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@@ -3526,7 +3543,8 @@
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@@ -3540,26 +3558,31 @@
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@@ -3599,7 +3622,8 @@
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+          "bundled": true,
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@@ -3621,7 +3645,8 @@
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+          "bundled": true,
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@@ -3640,11 +3665,13 @@
         },
         "fs.realpath": {
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+          "bundled": true,
+          "optional": true
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           "version": "1.0.11",
           "bundled": true,
+          "optional": true,
           "requires": {
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             "inherits": "2.0.3",
@@ -3695,6 +3722,7 @@
         "glob": {
           "version": "7.1.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
@@ -3706,7 +3734,8 @@
         },
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+          "bundled": true,
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@@ -3740,7 +3769,8 @@
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         "hoek": {
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+          "bundled": true,
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@@ -3755,6 +3785,7 @@
         "inflight": {
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           "bundled": true,
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@@ -3762,7 +3793,8 @@
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@@ -3772,6 +3804,7 @@
         "is-fullwidth-code-point": {
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@@ -3783,7 +3816,8 @@
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@@ -3846,11 +3880,13 @@
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           }
@@ -3858,17 +3894,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
           }
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         "minimist": {
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@@ -3916,7 +3955,8 @@
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@@ -3931,6 +3971,7 @@
         "once": {
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           "bundled": true,
+          "optional": true,
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@@ -3956,7 +3997,8 @@
         },
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@@ -3965,15 +4007,11 @@
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           "bundled": true,
           "optional": true
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-        "qs": {
-          "version": "6.4.0",
+        "punycode": {
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           "optional": true
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@@ -3998,6 +4036,7 @@
         "readable-stream": {
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           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4040,13 +4079,15 @@
         "rimraf": {
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           "bundled": true,
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           "requires": {
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           }
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         "safe-buffer": {
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@@ -4094,22 +4135,24 @@
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         "string-width": {
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             "is-fullwidth-code-point": "1.0.0",
             "strip-ansi": "3.0.1"
           }
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+        "string_decoder": {
+          "version": "1.0.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
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@@ -4118,6 +4161,7 @@
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@@ -4130,6 +4174,7 @@
         "tar": {
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@@ -4179,7 +4224,8 @@
         },
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@@ -4204,7 +4250,8 @@
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@@ -7898,9 +7945,10 @@
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+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
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+      "optional": true
     },
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@@ -8437,6 +8485,13 @@
         "tough-cookie": "2.3.3",
         "tunnel-agent": "0.6.0",
         "uuid": "3.1.0"
+      },
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+        }
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@@ -8968,14 +9023,6 @@
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@@ -9008,6 +9055,14 @@
         }
       }
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+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "http://npm.prod.hulu.com:4873/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "requires": {
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+      }
+    },
     "stringstream": {
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       "resolved": "http://npm.prod.hulu.com:4873/stringstream/-/stringstream-0.0.5.tgz",