diff --git a/frontend/package.json b/frontend/package.json
index fb0d678..06edcf8 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -28,7 +28,7 @@
     "@vue/cli-service": "~4.5.15",
     "babel-eslint": "^10.1.0",
     "eslint": "^6.7.2",
-    "eslint-plugin-vue": "^7.20.0",
+    "eslint-plugin-vue": "^9.0.1",
     "vue-template-compiler": "^2.6.14",
     "workbox-webpack-plugin": "^6.5.3"
   },
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 1d15cbb..1f85034 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -1575,6 +1575,11 @@ acorn-jsx@^5.2.0:
   version "5.3.1"
   resolved "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.1.tgz"
 
+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==
+
 acorn-walk@^7.1.1:
   version "7.2.0"
   resolved "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.2.0.tgz"
@@ -1587,6 +1592,11 @@ acorn@^7.1.1, acorn@^7.4.0:
   version "7.4.1"
   resolved "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz"
 
+acorn@^8.7.1:
+  version "8.7.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.1.tgz#0197122c843d1bf6d0a5e83220a788f278f63c30"
+  integrity sha512-Xx54uLJQZ19lKygFXOWsscKUbsBZW0CPykPhVQdhIeIwrbPmJzqeASDInc8nKBnp/JT6igTs82qPXz069H8I/A==
+
 address@^1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/address/-/address-1.1.2.tgz"
@@ -2928,6 +2938,13 @@ debug@^4.0.1, debug@^4.1.0, debug@^4.1.1, debug@~4.3.1, debug@~4.3.2:
   dependencies:
     ms "2.1.2"
 
+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==
+  dependencies:
+    ms "2.1.2"
+
 debug@~3.1.0:
   version "3.1.0"
   resolved "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz"
@@ -3365,14 +3382,18 @@ eslint-loader@^2.2.1:
     object-hash "^1.1.4"
     rimraf "^2.6.1"
 
-eslint-plugin-vue@^7.20.0:
-  version "7.20.0"
-  resolved "https://registry.npmjs.org/eslint-plugin-vue/-/eslint-plugin-vue-7.20.0.tgz"
+eslint-plugin-vue@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-9.0.1.tgz#66ba4a6e4085a26a724adcde06eaf72b178285c9"
+  integrity sha512-/w/9/vzz+4bSYtp5UqXgJ0CfycXTMtpp6lkz7/fMp0CcJxPWyRP6Pr88ihhrsNEcVt2ZweMupWRNYa+5Md41LQ==
   dependencies:
-    eslint-utils "^2.1.0"
+    eslint-utils "^3.0.0"
     natural-compare "^1.4.0"
-    semver "^6.3.0"
-    vue-eslint-parser "^7.10.0"
+    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@^4.0.3:
   version "4.0.3"
@@ -3381,29 +3402,48 @@ eslint-scope@^4.0.3:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-scope@^5.0.0, eslint-scope@^5.1.1:
+eslint-scope@^5.0.0:
   version "5.1.1"
   resolved "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz"
   dependencies:
     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@^1.4.3:
   version "1.4.3"
   resolved "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz"
   dependencies:
     eslint-visitor-keys "^1.1.0"
 
-eslint-utils@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.npmjs.org/eslint-utils/-/eslint-utils-2.1.0.tgz"
+eslint-utils@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-3.0.0.tgz#8aebaface7345bb33559db0a1f13a1d2d48c3672"
+  integrity sha512-uuQC43IGctw68pJA1RgbQS8/NP7rch6Cwd4j3ZBtgo4/8Flj4eGE7ZYSZRN3iq5pVUv6GPdW5Z1RFleo84uLDA==
   dependencies:
-    eslint-visitor-keys "^1.1.0"
+    eslint-visitor-keys "^2.0.0"
 
 eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0:
   version "1.3.0"
   resolved "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz"
 
+eslint-visitor-keys@^2.0.0:
+  version "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:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-3.3.0.tgz#f6480fa6b1f30efe2d1968aa8ac745b862469826"
+  integrity sha512-mQ+suqKJVyeuwGYHAdjMFqjCyfl8+Ldnxuyp3ldiMBFKkvytrXUZWaiPCEav8qDHKty44bD+qV1IP4T+w+xXRA==
+
 eslint@^6.7.2:
   version "6.8.0"
   resolved "https://registry.npmjs.org/eslint/-/eslint-6.8.0.tgz"
@@ -3446,7 +3486,7 @@ eslint@^6.7.2:
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
-espree@^6.1.2, espree@^6.2.1:
+espree@^6.1.2:
   version "6.2.1"
   resolved "https://registry.npmjs.org/espree/-/espree-6.2.1.tgz"
   dependencies:
@@ -3454,6 +3494,15 @@ espree@^6.1.2, espree@^6.2.1:
     acorn-jsx "^5.2.0"
     eslint-visitor-keys "^1.1.0"
 
+espree@^9.3.1:
+  version "9.3.2"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-9.3.2.tgz#f58f77bd334731182801ced3380a8cc859091596"
+  integrity sha512-D211tC7ZwouTIuY5x9XnS0E9sWNChB7IYKX/Xp5eQj3nFXhqmiUDB9q27y76oFl8jTg3pXcQx/bpxMfs3CIZbA==
+  dependencies:
+    acorn "^8.7.1"
+    acorn-jsx "^5.3.2"
+    eslint-visitor-keys "^3.3.0"
+
 esprima@^4.0.0:
   version "4.0.1"
   resolved "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz"
@@ -6225,9 +6274,10 @@ postcss-selector-parser@^3.0.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
-  version "6.0.7"
-  resolved "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.7.tgz"
+postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2, postcss-selector-parser@^6.0.9:
+  version "6.0.10"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.10.tgz#79b61e2c0d1bfc2602d549e11d0876256f8df88d"
+  integrity sha512-IQ7TZdoaqbT+LCpShg46jnZVlhWD2w6iQYAcYXfHARZ7X1t/UGhhceQDs5X0cGqKvYlHNOuv7Oa1xmb0oQuA3w==
   dependencies:
     cssesc "^3.0.0"
     util-deprecate "^1.0.2"
@@ -6781,10 +6831,10 @@ semver@^6.0.0, semver@^6.1.0, semver@^6.1.1, semver@^6.1.2, semver@^6.3.0:
   version "6.3.0"
   resolved "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz"
 
-semver@^7.3.4:
-  version "7.3.5"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.5.tgz#0b621c879348d8998e4b0e4be94b3f12e6018ef7"
-  integrity sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==
+semver@^7.3.4, semver@^7.3.5, semver@^7.3.6:
+  version "7.3.7"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.7.tgz#12c5b649afdbf9049707796e22a4028814ce523f"
+  integrity sha512-QlYTucUYOews+WeEujDoEGziz4K6c47V/Bd+LjSSYcA94p+DmINdf7ncaUinThfvZyu13lN9OY1XDxt8C0Tw0g==
   dependencies:
     lru-cache "^6.0.0"
 
@@ -7804,17 +7854,18 @@ vue-clipboard2@^0.3.3:
   dependencies:
     clipboard "^2.0.0"
 
-vue-eslint-parser@^7.10.0:
-  version "7.11.0"
-  resolved "https://registry.npmjs.org/vue-eslint-parser/-/vue-eslint-parser-7.11.0.tgz"
+vue-eslint-parser@^9.0.1:
+  version "9.0.2"
+  resolved "https://registry.yarnpkg.com/vue-eslint-parser/-/vue-eslint-parser-9.0.2.tgz#d2535516f3f55adb387939427fe741065eb7948a"
+  integrity sha512-uCPQwTGjOtAYrwnU+76pYxalhjsh7iFBsHwBqDHiOPTxtICDaraO4Szw54WFTNZTAEsgHHzqFOu1mmnBOBRzDA==
   dependencies:
-    debug "^4.1.1"
-    eslint-scope "^5.1.1"
-    eslint-visitor-keys "^1.1.0"
-    espree "^6.2.1"
+    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 "^6.3.0"
+    semver "^7.3.6"
 
 vue-hot-reload-api@^2.3.0:
   version "2.3.4"
@@ -8433,6 +8484,11 @@ ws@~8.2.3:
   version "8.2.3"
   resolved "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz"
 
+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==
+
 xmlhttprequest-ssl@~1.6.2:
   version "1.6.3"
   resolved "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz"