diff --git a/package.json b/package.json
index 2682ed0..d4e0972 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@vue/compiler-sfc": "^3.0.3",
     "@babel/eslint-parser": "^7.11.0",
     "eslint": "^7.14.0",
-    "eslint-plugin-vue": "^7.1.0",
+    "eslint-plugin-vue": "^9.0.0",
     "gh-pages": "^5.0.0"
   },
   "eslintConfig": {
diff --git a/yarn.lock b/yarn.lock
index 9f1753a..3fa190f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1111,6 +1111,13 @@
   resolved "https://registry.yarnpkg.com/@discoveryjs/json-ext/-/json-ext-0.5.7.tgz#1d572bfbbe14b7704e0ba0f39b74815b84870d70"
   integrity sha512-dBVuXR082gk3jsFp7Rd/JI4kytwGHecnCoTtXFb7DB6CNHp4rg5k1bhg0nWdLGLnOV71lmDzGQaLMy8iPLY0pw==
 
+"@eslint-community/eslint-utils@^4.3.0":
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/@eslint-community/eslint-utils/-/eslint-utils-4.4.0.tgz#a23514e8fb9af1269d5f7788aa556798d61c6b59"
+  integrity sha512-1/sA4dwrzBAyeUoQ6oxahHKmrZvsnLCg4RfxW3ZFGGmQkSNQPFNLV9CUEFQP1x9EYXHTo5p6xdhZM1Ne9p/AfA==
+  dependencies:
+    eslint-visitor-keys "^3.3.0"
+
 "@eslint/eslintrc@^0.4.3":
   version "0.4.3"
   resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-0.4.3.tgz#9e42981ef035beb3dd49add17acb96e8ff6f394c"
@@ -2003,7 +2010,7 @@ acorn-import-assertions@^1.7.6:
   resolved "https://registry.yarnpkg.com/acorn-import-assertions/-/acorn-import-assertions-1.8.0.tgz#ba2b5939ce62c238db6d93d81c9b111b29b855e9"
   integrity sha512-m7VZ3jwz4eK6A4Vtt8Ew1/mNbP24u0FhdyfA7fSvnJR6LMdfOYnmuIrrJAgrYfYJ10F/otaHTtrtrtmHdMNzEw==
 
-acorn-jsx@^5.2.0, acorn-jsx@^5.3.1:
+acorn-jsx@^5.3.1, acorn-jsx@^5.3.2:
   version "5.3.2"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.3.2.tgz#7ed5bb55908b3b2f1bc55c6af1653bada7f07937"
   integrity sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==
@@ -2013,12 +2020,12 @@ acorn-walk@^8.0.0, acorn-walk@^8.0.2:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-8.2.0.tgz#741210f2e2426454508853a2f44d0ab83b7f69c1"
   integrity sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==
 
-acorn@^7.1.1, acorn@^7.4.0:
+acorn@^7.4.0:
   version "7.4.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
-acorn@^8.0.4, acorn@^8.0.5, acorn@^8.5.0, acorn@^8.7.1:
+acorn@^8.0.4, acorn@^8.0.5, acorn@^8.5.0, acorn@^8.7.1, acorn@^8.8.0:
   version "8.8.2"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.8.2.tgz#1b2f25db02af965399b9776b0c2c391276d37c4a"
   integrity sha512-xjIYgE8HBrkpd/sJqOGNspf8uHG+NOHGOw6a/Urj8taM2EXfdNAH2oFcPeIFfsv3+kz/mJrS5VuMqbNLjCa2vw==
@@ -2887,7 +2894,7 @@ debug@^3.1.1:
   dependencies:
     ms "^2.1.1"
 
-debug@^4.0.1, debug@^4.1.1:
+debug@^4.0.1, debug@^4.1.1, debug@^4.3.4:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
   integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
@@ -3154,17 +3161,20 @@ escape-string-regexp@^4.0.0:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
   integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
 
-eslint-plugin-vue@^7.1.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-7.1.0.tgz#832d83e4e1e480c7285b2bc3ff1076cd0dca7a5b"
-  integrity sha512-9dW7kj8/d2IkDdgNpvIhJdJ3XzU3x4PThXYMzWt49taktYnGyrTY6/bXCYZ/VtQKU9kXPntPrZ41+8Pw0Nxblg==
+eslint-plugin-vue@^9.0.0:
+  version "9.10.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-9.10.0.tgz#bb6423166e6eab800344245b6eef6ce9480c78a7"
+  integrity sha512-2MgP31OBf8YilUvtakdVMc8xVbcMp7z7/iQj8LHVpXrSXHPXSJRUIGSPFI6b6pyCx/buKaFJ45ycqfHvQRiW2g==
   dependencies:
-    eslint-utils "^2.1.0"
+    "@eslint-community/eslint-utils" "^4.3.0"
     natural-compare "^1.4.0"
-    semver "^7.3.2"
-    vue-eslint-parser "^7.1.1"
+    nth-check "^2.0.1"
+    postcss-selector-parser "^6.0.9"
+    semver "^7.3.5"
+    vue-eslint-parser "^9.0.1"
+    xml-name-validator "^4.0.0"
 
-eslint-scope@5.1.1, eslint-scope@^5.0.0, eslint-scope@^5.1.1:
+eslint-scope@5.1.1, eslint-scope@^5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-5.1.1.tgz#e786e59a66cb92b3f6c1fb0d508aab174848f48c"
   integrity sha512-2NxwbF/hZ0KpepYN0cNbo+FN6XoK7GaHlQhgx/hIZl6Va0bF45RQOOwhLIy8lQDbuCiadSLCBnH2CFYquit5bw==
@@ -3172,6 +3182,14 @@ eslint-scope@5.1.1, eslint-scope@^5.0.0, eslint-scope@^5.1.1:
     esrecurse "^4.3.0"
     estraverse "^4.1.1"
 
+eslint-scope@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-7.1.1.tgz#fff34894c2f65e5226d3041ac480b4513a163642"
+  integrity sha512-QKQM/UXpIiHcLqJ5AOyIW7XZmzjkzQXYE54n1++wb0u9V/abW3l9uQnxX8Z5Xd18xyKIMTUAyQ0k1e8pz6LUrw==
+  dependencies:
+    esrecurse "^4.3.0"
+    estraverse "^5.2.0"
+
 eslint-utils@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-2.1.0.tgz#d2de5e03424e707dc10c74068ddedae708741b27"
@@ -3189,6 +3207,11 @@ eslint-visitor-keys@^2.0.0, eslint-visitor-keys@^2.1.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-2.1.0.tgz#f65328259305927392c938ed44eb0a5c9b2bd303"
   integrity sha512-0rSmRBzXgDzIsD6mGdJgevzgezI534Cer5L/vyMX0kHzT/jiB43jRhd9YUlMGYLQy2zprNmoT8qasCGtY+QaKw==
 
+eslint-visitor-keys@^3.3.0, eslint-visitor-keys@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-3.4.0.tgz#c7f0f956124ce677047ddbc192a68f999454dedc"
+  integrity sha512-HPpKPUBQcAsZOsHAFwTtIKcYlCje62XB7SEAcxjtmW6TD1WVpkS6i6/hOVtTZIl4zGj/mBqpFVGvaDneik+VoQ==
+
 eslint-webpack-plugin@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/eslint-webpack-plugin/-/eslint-webpack-plugin-3.2.0.tgz#1978cdb9edc461e4b0195a20da950cf57988347c"
@@ -3246,15 +3269,6 @@ eslint@^7.14.0:
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
-espree@^6.2.1:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-6.2.1.tgz#77fc72e1fd744a2052c20f38a5b575832e82734a"
-  integrity sha512-ysCxRQY3WaXJz9tdbWOwuWr5Y/XrPTGX9Kiz3yoUXwW0VZ4w30HTkQLaGx/+ttFjF8i+ACbArnB4ce68a9m5hw==
-  dependencies:
-    acorn "^7.1.1"
-    acorn-jsx "^5.2.0"
-    eslint-visitor-keys "^1.1.0"
-
 espree@^7.3.0, espree@^7.3.1:
   version "7.3.1"
   resolved "https://registry.yarnpkg.com/espree/-/espree-7.3.1.tgz#f2df330b752c6f55019f8bd89b7660039c1bbbb6"
@@ -3264,18 +3278,20 @@ espree@^7.3.0, espree@^7.3.1:
     acorn-jsx "^5.3.1"
     eslint-visitor-keys "^1.3.0"
 
+espree@^9.3.1:
+  version "9.5.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-9.5.1.tgz#4f26a4d5f18905bf4f2e0bd99002aab807e96dd4"
+  integrity sha512-5yxtHSZXRSW5pvv3hAlXM5+/Oswi1AUFqBmbibKb5s6bp3rGIDkyXU6xCoyuuLhijr4SFwPrXRoZjz0AZDN9tg==
+  dependencies:
+    acorn "^8.8.0"
+    acorn-jsx "^5.3.2"
+    eslint-visitor-keys "^3.4.0"
+
 esprima@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
   integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
 
-esquery@^1.0.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.3.1.tgz#b78b5828aa8e214e29fb74c4d5b752e1c033da57"
-  integrity sha512-olpvt9QG0vniUBZspVRN6lwB7hOZoTRtT+jzR+tS4ffYx2mzbw+z0XCOk44aaLYKApNX5nMm+E+P6o25ip/DHQ==
-  dependencies:
-    estraverse "^5.1.0"
-
 esquery@^1.4.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.5.0.tgz#6ce17738de8577694edd7361c57182ac8cb0db0b"
@@ -4369,7 +4385,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20:
+lodash@^4.17.14, lodash@^4.17.19, lodash@^4.17.20:
   version "4.17.20"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
   integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
@@ -5708,18 +5724,13 @@ semver@^6.0.0, semver@^6.1.1, semver@^6.1.2, semver@^6.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
-semver@^7.2.1, semver@^7.3.4, semver@^7.3.5, semver@^7.3.8:
+semver@^7.2.1, semver@^7.3.4, semver@^7.3.5, semver@^7.3.6, semver@^7.3.8:
   version "7.4.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.4.0.tgz#8481c92feffc531ab1e012a8ffc15bdd3a0f4318"
   integrity sha512-RgOxM8Mw+7Zus0+zcLEUn8+JfoLpj/huFTItQy2hsM4khuC1HYRDp0cU482Ewn/Fcy6bCjufD8vAj7voC66KQw==
   dependencies:
     lru-cache "^6.0.0"
 
-semver@^7.3.2:
-  version "7.3.2"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.2.tgz#604962b052b81ed0786aae84389ffba70ffd3938"
-  integrity sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==
-
 send@0.18.0:
   version "0.18.0"
   resolved "https://registry.yarnpkg.com/send/-/send-0.18.0.tgz#670167cc654b05f5aa4a767f9113bb371bc706be"
@@ -6395,17 +6406,18 @@ vue-class-component@^8.0.0-rc.1:
   resolved "https://registry.yarnpkg.com/vue-class-component/-/vue-class-component-8.0.0-rc.1.tgz#db692cd97656eb9a08206c03d0b7398cdb1d9420"
   integrity sha512-w1nMzsT/UdbDAXKqhwTmSoyuJzUXKrxLE77PCFVuC6syr8acdFDAq116xgvZh9UCuV0h+rlCtxXolr3Hi3HyPQ==
 
-vue-eslint-parser@^7.1.1:
-  version "7.1.1"
-  resolved "https://registry.yarnpkg.com/vue-eslint-parser/-/vue-eslint-parser-7.1.1.tgz#c43c1c715ff50778b9a7e9a4e16921185f3425d3"
-  integrity sha512-8FdXi0gieEwh1IprIBafpiJWcApwrU+l2FEj8c1HtHFdNXMd0+2jUSjBVmcQYohf/E72irwAXEXLga6TQcB3FA==
+vue-eslint-parser@^9.0.1:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/vue-eslint-parser/-/vue-eslint-parser-9.1.1.tgz#3f4859be7e9bb7edaa1dc7edb05abffee72bf3dd"
+  integrity sha512-C2aI/r85Q6tYcz4dpgvrs4wH/MqVrRAVIdpYedrxnATDHHkb+TroeRcDpKWGZCx/OcECMWfz7tVwQ8e+Opy6rA==
   dependencies:
-    debug "^4.1.1"
-    eslint-scope "^5.0.0"
-    eslint-visitor-keys "^1.1.0"
-    espree "^6.2.1"
-    esquery "^1.0.1"
-    lodash "^4.17.15"
+    debug "^4.3.4"
+    eslint-scope "^7.1.1"
+    eslint-visitor-keys "^3.3.0"
+    espree "^9.3.1"
+    esquery "^1.4.0"
+    lodash "^4.17.21"
+    semver "^7.3.6"
 
 vue-hot-reload-api@^2.3.0:
   version "2.3.4"
@@ -6687,6 +6699,11 @@ ws@^8.13.0:
   resolved "https://registry.yarnpkg.com/ws/-/ws-8.13.0.tgz#9a9fb92f93cf41512a0735c8f4dd09b8a1211cd0"
   integrity sha512-x9vcZYTrFPC7aSIbj7sRCYo7L/Xb8Iy+pW0ng0wt2vCJv7M9HOMy0UoN3rr+IFC7hb7vXoqS+P9ktyLLLhO+LA==
 
+xml-name-validator@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-4.0.0.tgz#79a006e2e63149a8600f15430f0a4725d1524835"
+  integrity sha512-ICP2e+jsHvAj2E2lIHxa5tjXRlKDJo4IdvPvCXbXQGdzSfmSpNVyIKMvoZHjDY9DP0zV17iI85o90vRFXNccRw==
+
 y18n@^5.0.5:
   version "5.0.8"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-5.0.8.tgz#7f4934d0f7ca8c56f95314939ddcd2dd91ce1d55"