diff --git a/package.json b/package.json
index 161357d0..b2cbddf9 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "devDependencies": {
     "@types/jasmine": "3.7.7",
     "@types/luxon": "1.27.0",
-    "@typescript-eslint/eslint-plugin": "4.27.0",
+    "@typescript-eslint/eslint-plugin": "4.28.0",
     "@typescript-eslint/parser": "4.28.0",
     "cross-env": "7.0.3",
     "dotenv-defaults": "2.0.2",
diff --git a/yarn.lock b/yarn.lock
index 0c986eda..f3a42d34 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -278,29 +278,28 @@
   resolved "https://registry.npmjs.org/@types/parse-json/-/parse-json-4.0.0.tgz#2f8bb441434d163b35fb8ffdccd7138927ffb8c0"
   integrity sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA==
 
-"@typescript-eslint/eslint-plugin@4.27.0":
-  version "4.27.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.27.0.tgz#0b7fc974e8bc9b2b5eb98ed51427b0be529b4ad0"
-  integrity sha512-DsLqxeUfLVNp3AO7PC3JyaddmEHTtI9qTSAs+RB6ja27QvIM0TA8Cizn1qcS6vOu+WDLFJzkwkgweiyFhssDdQ==
+"@typescript-eslint/eslint-plugin@4.28.0":
+  version "4.28.0"
+  resolved "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.28.0.tgz#1a66f03b264844387beb7dc85e1f1d403bd1803f"
+  integrity sha512-KcF6p3zWhf1f8xO84tuBailV5cN92vhS+VT7UJsPzGBm9VnQqfI9AsiMUFUCYHTYPg1uCCo+HyiDnpDuvkAMfQ==
   dependencies:
-    "@typescript-eslint/experimental-utils" "4.27.0"
-    "@typescript-eslint/scope-manager" "4.27.0"
+    "@typescript-eslint/experimental-utils" "4.28.0"
+    "@typescript-eslint/scope-manager" "4.28.0"
     debug "^4.3.1"
     functional-red-black-tree "^1.0.1"
-    lodash "^4.17.21"
     regexpp "^3.1.0"
     semver "^7.3.5"
     tsutils "^3.21.0"
 
-"@typescript-eslint/experimental-utils@4.27.0":
-  version "4.27.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.27.0.tgz#78192a616472d199f084eab8f10f962c0757cd1c"
-  integrity sha512-n5NlbnmzT2MXlyT+Y0Jf0gsmAQzCnQSWXKy4RGSXVStjDvS5we9IWbh7qRVKdGcxT0WYlgcCYUK/HRg7xFhvjQ==
+"@typescript-eslint/experimental-utils@4.28.0":
+  version "4.28.0"
+  resolved "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.28.0.tgz#13167ed991320684bdc23588135ae62115b30ee0"
+  integrity sha512-9XD9s7mt3QWMk82GoyUpc/Ji03vz4T5AYlHF9DcoFNfJ/y3UAclRsfGiE2gLfXtyC+JRA3trR7cR296TEb1oiQ==
   dependencies:
     "@types/json-schema" "^7.0.7"
-    "@typescript-eslint/scope-manager" "4.27.0"
-    "@typescript-eslint/types" "4.27.0"
-    "@typescript-eslint/typescript-estree" "4.27.0"
+    "@typescript-eslint/scope-manager" "4.28.0"
+    "@typescript-eslint/types" "4.28.0"
+    "@typescript-eslint/typescript-estree" "4.28.0"
     eslint-scope "^5.1.1"
     eslint-utils "^3.0.0"
 
@@ -324,14 +323,6 @@
     "@typescript-eslint/typescript-estree" "4.28.0"
     debug "^4.3.1"
 
-"@typescript-eslint/scope-manager@4.27.0":
-  version "4.27.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.27.0.tgz#b0b1de2b35aaf7f532e89c8e81d0fa298cae327d"
-  integrity sha512-DY73jK6SEH6UDdzc6maF19AHQJBFVRf6fgAXHPXCGEmpqD4vYgPEzqpFz1lf/daSbOcMpPPj9tyXXDPW2XReAw==
-  dependencies:
-    "@typescript-eslint/types" "4.27.0"
-    "@typescript-eslint/visitor-keys" "4.27.0"
-
 "@typescript-eslint/scope-manager@4.28.0":
   version "4.28.0"
   resolved "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.28.0.tgz#6a3009d2ab64a30fc8a1e257a1a320067f36a0ce"
@@ -340,11 +331,6 @@
     "@typescript-eslint/types" "4.28.0"
     "@typescript-eslint/visitor-keys" "4.28.0"
 
-"@typescript-eslint/types@4.27.0":
-  version "4.27.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.27.0.tgz#712b408519ed699baff69086bc59cd2fc13df8d8"
-  integrity sha512-I4ps3SCPFCKclRcvnsVA/7sWzh7naaM/b4pBO2hVxnM3wrU51Lveybdw5WoIktU/V4KfXrTt94V9b065b/0+wA==
-
 "@typescript-eslint/types@4.28.0":
   version "4.28.0"
   resolved "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.28.0.tgz#a33504e1ce7ac51fc39035f5fe6f15079d4dafb0"
@@ -363,19 +349,6 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/typescript-estree@4.27.0":
-  version "4.27.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.27.0.tgz#189a7b9f1d0717d5cccdcc17247692dedf7a09da"
-  integrity sha512-KH03GUsUj41sRLLEy2JHstnezgpS5VNhrJouRdmh6yNdQ+yl8w5LrSwBkExM+jWwCJa7Ct2c8yl8NdtNRyQO6g==
-  dependencies:
-    "@typescript-eslint/types" "4.27.0"
-    "@typescript-eslint/visitor-keys" "4.27.0"
-    debug "^4.3.1"
-    globby "^11.0.3"
-    is-glob "^4.0.1"
-    semver "^7.3.5"
-    tsutils "^3.21.0"
-
 "@typescript-eslint/typescript-estree@4.28.0":
   version "4.28.0"
   resolved "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.28.0.tgz#e66d4e5aa2ede66fec8af434898fe61af10c71cf"
@@ -389,14 +362,6 @@
     semver "^7.3.5"
     tsutils "^3.21.0"
 
-"@typescript-eslint/visitor-keys@4.27.0":
-  version "4.27.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.27.0.tgz#f56138b993ec822793e7ebcfac6ffdce0a60cb81"
-  integrity sha512-es0GRYNZp0ieckZ938cEANfEhsfHrzuLrePukLKtY3/KPXcq1Xd555Mno9/GOgXhKzn0QfkDLVgqWO3dGY80bg==
-  dependencies:
-    "@typescript-eslint/types" "4.27.0"
-    eslint-visitor-keys "^2.0.0"
-
 "@typescript-eslint/visitor-keys@4.28.0":
   version "4.28.0"
   resolved "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.28.0.tgz#255c67c966ec294104169a6939d96f91c8a89434"