diff --git a/chapter-1-end/package-lock.json b/chapter-1-end/package-lock.json
index 460dbba..b32dbc7 100644
--- a/chapter-1-end/package-lock.json
+++ b/chapter-1-end/package-lock.json
@@ -1,6 +1,6 @@
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@@ -2469,6 +2591,12 @@
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-      "resolved": "https://registry.npmjs.org/vue/-/vue-2.5.16.tgz",
-      "integrity": "sha512-/ffmsiVuPC8PsWcFkZngdpas19ABm5mh2wA7iDqcltyCTwlgZjHGeJYOXkBMo422iPwIcviOtrTCUpSfXmToLQ=="
+      "version": "2.7.13",
+      "resolved": "https://registry.npmjs.org/vue/-/vue-2.7.13.tgz",
+      "integrity": "sha512-QnM6ULTNnPmn71eUO+4hdjfBIA3H0GLsBnchnI/kS678tjI45GOUZhXd0oP/gX9isikXz1PAzSnkPspp9EUNfQ==",
+      "requires": {
+        "@vue/compiler-sfc": "2.7.13",
+        "csstype": "^3.1.0"
+      }
     },
     "vue-eslint-parser": {
       "version": "2.0.3",
@@ -13833,9 +14715,9 @@
       "dev": true
     },
     "vuetify": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/vuetify/-/vuetify-1.0.8.tgz",
-      "integrity": "sha512-RdUBcvCeAJ8reYM/BPMg6QH6HUYyrqD0EfE8ro6pFBBFMyBQ6pL7S8wd3Jf+gaTyBATOOkV/0Qt6d3Zgu3tcxA=="
+      "version": "2.6.12",
+      "resolved": "https://registry.npmjs.org/vuetify/-/vuetify-2.6.12.tgz",
+      "integrity": "sha512-qe3hcMpWmT1O15tp+p65lOS7UKZ/hQYQktCsw9iXx2u3RwVbX6GR82gY2iROrKsiAzYDvMgrYxWQwY/pUfkekw=="
     },
     "w3c-hr-time": {
       "version": "1.0.1",
@@ -14442,12 +15324,6 @@
         "webidl-conversions": "4.0.2"
       }
     },
-    "when": {
-      "version": "3.6.4",
-      "resolved": "https://registry.npmjs.org/when/-/when-3.6.4.tgz",
-      "integrity": "sha1-RztRfsFZ4rhQBUl6E5g/CVQS404=",
-      "dev": true
-    },
     "whet.extend": {
       "version": "0.9.9",
       "resolved": "https://registry.npmjs.org/whet.extend/-/whet.extend-0.9.9.tgz",
@@ -14469,6 +15345,15 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
+    "wide-align": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz",
+      "integrity": "sha512-eDMORYaPNZ4sQIuuYPDHdQvf4gyCF9rEEV/yPxGfwPkRodwEgiMUUXTx/dex+Me0wxx53S+NgUHaP7y3MGlDmg==",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.2 || 2 || 3 || 4"
+      }
+    },
     "window-size": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
@@ -14558,12 +15443,6 @@
         "safe-buffer": "5.1.1"
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     },
-    "xml-char-classes": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/xml-char-classes/-/xml-char-classes-1.0.0.tgz",
-      "integrity": "sha1-ZGV4SKIP/F31g6Qq2KJ3tFErvE0=",
-      "dev": true
-    },
     "xml-name-validator": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
diff --git a/chapter-1-end/package.json b/chapter-1-end/package.json
old mode 100755
new mode 100644
index 90146aa..d005a85
--- a/chapter-1-end/package.json
+++ b/chapter-1-end/package.json
@@ -43,7 +43,7 @@
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     "file-loader": "^1.1.4",
     "friendly-errors-webpack-plugin": "^1.6.1",
-    "html-webpack-plugin": "^2.30.1",
+    "html-webpack-plugin": "^5.5.0",
     "jest": "^22.0.4",
     "jest-serializer-vue": "^0.3.0",
     "node-notifier": "^5.1.2",