diff --git a/package-lock.json b/package-lock.json
index 0c45eef..92c5fb0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -271,13 +271,13 @@
       }
     },
     "@typescript-eslint/eslint-plugin": {
-      "version": "4.8.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.8.2.tgz",
-      "integrity": "sha512-gQ06QLV5l1DtvYtqOyFLXD9PdcILYqlrJj2l+CGDlPtmgLUzc1GpqciJFIRvyfvgLALpnxYINFuw+n9AZhPBKQ==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.9.0.tgz",
+      "integrity": "sha512-WrVzGMzzCrgrpnQMQm4Tnf+dk+wdl/YbgIgd5hKGa2P+lnJ2MON+nQnbwgbxtN9QDLi8HO+JAq0/krMnjQK6Cw==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/experimental-utils": "4.8.2",
-        "@typescript-eslint/scope-manager": "4.8.2",
+        "@typescript-eslint/experimental-utils": "4.9.0",
+        "@typescript-eslint/scope-manager": "4.9.0",
         "debug": "^4.1.1",
         "functional-red-black-tree": "^1.0.1",
         "regexpp": "^3.0.0",
@@ -286,15 +286,15 @@
       }
     },
     "@typescript-eslint/experimental-utils": {
-      "version": "4.8.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.8.2.tgz",
-      "integrity": "sha512-hpTw6o6IhBZEsQsjuw/4RWmceRyESfAiEzAEnXHKG1X7S5DXFaZ4IO1JO7CW1aQ604leQBzjZmuMI9QBCAJX8Q==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.9.0.tgz",
+      "integrity": "sha512-0p8GnDWB3R2oGhmRXlEnCvYOtaBCijtA5uBfH5GxQKsukdSQyI4opC4NGTUb88CagsoNQ4rb/hId2JuMbzWKFQ==",
       "dev": true,
       "requires": {
         "@types/json-schema": "^7.0.3",
-        "@typescript-eslint/scope-manager": "4.8.2",
-        "@typescript-eslint/types": "4.8.2",
-        "@typescript-eslint/typescript-estree": "4.8.2",
+        "@typescript-eslint/scope-manager": "4.9.0",
+        "@typescript-eslint/types": "4.9.0",
+        "@typescript-eslint/typescript-estree": "4.9.0",
         "eslint-scope": "^5.0.0",
         "eslint-utils": "^2.0.0"
       }
@@ -356,29 +356,29 @@
       }
     },
     "@typescript-eslint/scope-manager": {
-      "version": "4.8.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.8.2.tgz",
-      "integrity": "sha512-qHQ8ODi7mMin4Sq2eh/6eu03uVzsf5TX+J43xRmiq8ujng7ViQSHNPLOHGw/Wr5dFEoxq/ubKhzClIIdQy5q3g==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.9.0.tgz",
+      "integrity": "sha512-q/81jtmcDtMRE+nfFt5pWqO0R41k46gpVLnuefqVOXl4QV1GdQoBWfk5REcipoJNQH9+F5l+dwa9Li5fbALjzg==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "4.8.2",
-        "@typescript-eslint/visitor-keys": "4.8.2"
+        "@typescript-eslint/types": "4.9.0",
+        "@typescript-eslint/visitor-keys": "4.9.0"
       }
     },
     "@typescript-eslint/types": {
-      "version": "4.8.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.8.2.tgz",
-      "integrity": "sha512-z1/AVcVF8ju5ObaHe2fOpZYEQrwHyZ7PTOlmjd3EoFeX9sv7UekQhfrCmgUO7PruLNfSHrJGQvrW3Q7xQ8EoAw==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.9.0.tgz",
+      "integrity": "sha512-luzLKmowfiM/IoJL/rus1K9iZpSJK6GlOS/1ezKplb7MkORt2dDcfi8g9B0bsF6JoRGhqn0D3Va55b+vredFHA==",
       "dev": true
     },
     "@typescript-eslint/typescript-estree": {
-      "version": "4.8.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.8.2.tgz",
-      "integrity": "sha512-HToGNwI6fekH0dOw3XEVESUm71Onfam0AKin6f26S2FtUmO7o3cLlWgrIaT1q3vjB3wCTdww3Dx2iGq5wtUOCg==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.9.0.tgz",
+      "integrity": "sha512-rmDR++PGrIyQzAtt3pPcmKWLr7MA+u/Cmq9b/rON3//t5WofNR4m/Ybft2vOLj0WtUzjn018ekHjTsnIyBsQug==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "4.8.2",
-        "@typescript-eslint/visitor-keys": "4.8.2",
+        "@typescript-eslint/types": "4.9.0",
+        "@typescript-eslint/visitor-keys": "4.9.0",
         "debug": "^4.1.1",
         "globby": "^11.0.1",
         "is-glob": "^4.0.1",
@@ -388,12 +388,12 @@
       }
     },
     "@typescript-eslint/visitor-keys": {
-      "version": "4.8.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.8.2.tgz",
-      "integrity": "sha512-Vg+/SJTMZJEKKGHW7YC21QxgKJrSbxoYYd3MEUGtW7zuytHuEcksewq0DUmo4eh/CTNrVJGSdIY9AtRb6riWFw==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.9.0.tgz",
+      "integrity": "sha512-sV45zfdRqQo1A97pOSx3fsjR+3blmwtdCt8LDrXgCX36v4Vmz4KHrhpV6Fo2cRdXmyumxx11AHw0pNJqCNpDyg==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "4.8.2",
+        "@typescript-eslint/types": "4.9.0",
         "eslint-visitor-keys": "^2.0.0"
       }
     },
diff --git a/package.json b/package.json
index 542f9ef..1bd20e1 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@types/spotify-web-api-node": "^4.0.2",
     "@types/validator": "^13.1.0",
     "@types/ws": "^7.4.0",
-    "@typescript-eslint/eslint-plugin": "^4.8.2",
+    "@typescript-eslint/eslint-plugin": "^4.9.0",
     "@typescript-eslint/parser": "^4.8.2",
     "eslint": "^7.14.0",
     "eslint-config-xo": "^0.33.1",
diff --git a/yarn.lock b/yarn.lock
index 9e32a6c..e498065 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -219,28 +219,28 @@
   dependencies:
     "@types/node" "*"
 
-"@typescript-eslint/eslint-plugin@^4.8.2":
-  version "4.8.2"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.8.2.tgz#cf9102ec800391caa574f589ffe0623cca1d9308"
-  integrity sha512-gQ06QLV5l1DtvYtqOyFLXD9PdcILYqlrJj2l+CGDlPtmgLUzc1GpqciJFIRvyfvgLALpnxYINFuw+n9AZhPBKQ==
+"@typescript-eslint/eslint-plugin@^4.9.0":
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.9.0.tgz#8fde15743413661fdc086c9f1f5d74a80b856113"
+  integrity sha512-WrVzGMzzCrgrpnQMQm4Tnf+dk+wdl/YbgIgd5hKGa2P+lnJ2MON+nQnbwgbxtN9QDLi8HO+JAq0/krMnjQK6Cw==
   dependencies:
-    "@typescript-eslint/experimental-utils" "4.8.2"
-    "@typescript-eslint/scope-manager" "4.8.2"
+    "@typescript-eslint/experimental-utils" "4.9.0"
+    "@typescript-eslint/scope-manager" "4.9.0"
     debug "^4.1.1"
     functional-red-black-tree "^1.0.1"
     regexpp "^3.0.0"
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/experimental-utils@4.8.2":
-  version "4.8.2"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.8.2.tgz#8909a5732f19329cf5ef0c39766170476bff5e50"
-  integrity sha512-hpTw6o6IhBZEsQsjuw/4RWmceRyESfAiEzAEnXHKG1X7S5DXFaZ4IO1JO7CW1aQ604leQBzjZmuMI9QBCAJX8Q==
+"@typescript-eslint/experimental-utils@4.9.0":
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.9.0.tgz#23a296b85d243afba24e75a43fd55aceda5141f0"
+  integrity sha512-0p8GnDWB3R2oGhmRXlEnCvYOtaBCijtA5uBfH5GxQKsukdSQyI4opC4NGTUb88CagsoNQ4rb/hId2JuMbzWKFQ==
   dependencies:
     "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/scope-manager" "4.8.2"
-    "@typescript-eslint/types" "4.8.2"
-    "@typescript-eslint/typescript-estree" "4.8.2"
+    "@typescript-eslint/scope-manager" "4.9.0"
+    "@typescript-eslint/types" "4.9.0"
+    "@typescript-eslint/typescript-estree" "4.9.0"
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
@@ -262,11 +262,24 @@
     "@typescript-eslint/types" "4.8.2"
     "@typescript-eslint/visitor-keys" "4.8.2"
 
+"@typescript-eslint/scope-manager@4.9.0":
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.9.0.tgz#5eefe305d6b71d1c85af6587b048426bfd4d3708"
+  integrity sha512-q/81jtmcDtMRE+nfFt5pWqO0R41k46gpVLnuefqVOXl4QV1GdQoBWfk5REcipoJNQH9+F5l+dwa9Li5fbALjzg==
+  dependencies:
+    "@typescript-eslint/types" "4.9.0"
+    "@typescript-eslint/visitor-keys" "4.9.0"
+
 "@typescript-eslint/types@4.8.2":
   version "4.8.2"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.8.2.tgz#c862dd0e569d9478eb82d6aee662ea53f5661a36"
   integrity sha512-z1/AVcVF8ju5ObaHe2fOpZYEQrwHyZ7PTOlmjd3EoFeX9sv7UekQhfrCmgUO7PruLNfSHrJGQvrW3Q7xQ8EoAw==
 
+"@typescript-eslint/types@4.9.0":
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.9.0.tgz#3fe8c3632abd07095c7458f7451bd14c85d0033c"
+  integrity sha512-luzLKmowfiM/IoJL/rus1K9iZpSJK6GlOS/1ezKplb7MkORt2dDcfi8g9B0bsF6JoRGhqn0D3Va55b+vredFHA==
+
 "@typescript-eslint/typescript-estree@4.8.2":
   version "4.8.2"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.8.2.tgz#eeec34707d8577600fb21661b5287226cc8b3bed"
@@ -281,6 +294,20 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
+"@typescript-eslint/typescript-estree@4.9.0":
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.9.0.tgz#38a98df6ee281cfd6164d6f9d91795b37d9e508c"
+  integrity sha512-rmDR++PGrIyQzAtt3pPcmKWLr7MA+u/Cmq9b/rON3//t5WofNR4m/Ybft2vOLj0WtUzjn018ekHjTsnIyBsQug==
+  dependencies:
+    "@typescript-eslint/types" "4.9.0"
+    "@typescript-eslint/visitor-keys" "4.9.0"
+    debug "^4.1.1"
+    globby "^11.0.1"
+    is-glob "^4.0.1"
+    lodash "^4.17.15"
+    semver "^7.3.2"
+    tsutils "^3.17.1"
+
 "@typescript-eslint/visitor-keys@4.8.2":
   version "4.8.2"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.8.2.tgz#62cd3fbbbf65f8eccfbe6f159eb1b84a243a3f77"
@@ -289,6 +316,14 @@
     "@typescript-eslint/types" "4.8.2"
     eslint-visitor-keys "^2.0.0"
 
+"@typescript-eslint/visitor-keys@4.9.0":
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.9.0.tgz#f284e9fac43f2d6d35094ce137473ee321f266c8"
+  integrity sha512-sV45zfdRqQo1A97pOSx3fsjR+3blmwtdCt8LDrXgCX36v4Vmz4KHrhpV6Fo2cRdXmyumxx11AHw0pNJqCNpDyg==
+  dependencies:
+    "@typescript-eslint/types" "4.9.0"
+    eslint-visitor-keys "^2.0.0"
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"