diff --git a/package.json b/package.json
index edf5446..2a1acfc 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
         "@types/mocha": "8.0.4",
         "@types/node": "14.14.10",
         "@typescript-eslint/eslint-plugin": "4.9.0",
-        "@typescript-eslint/parser": "4.9.0",
+        "@typescript-eslint/parser": "4.30.0",
         "eslint": "7.14.0",
         "eslint-plugin-jsdoc": "30.7.8",
         "mocha": "8.2.1",
diff --git a/yarn.lock b/yarn.lock
index 6235d06..759405a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -328,15 +328,23 @@
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/parser@4.9.0":
-  version "4.9.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.9.0.tgz#bb65f1214b5e221604996db53ef77c9d62b09249"
-  integrity sha512-QRSDAV8tGZoQye/ogp28ypb8qpsZPV6FOLD+tbN4ohKUWHD2n/u0Q2tIBnCsGwQCiD94RdtLkcqpdK4vKcLCCw==
+"@typescript-eslint/parser@4.30.0":
+  version "4.30.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.30.0.tgz#6abd720f66bd790f3e0e80c3be77180c8fcb192d"
+  integrity sha512-HJ0XuluSZSxeboLU7Q2VQ6eLlCwXPBOGnA7CqgBnz2Db3JRQYyBDJgQnop6TZ+rsbSx5gEdWhw4rE4mDa1FnZg==
   dependencies:
-    "@typescript-eslint/scope-manager" "4.9.0"
-    "@typescript-eslint/types" "4.9.0"
-    "@typescript-eslint/typescript-estree" "4.9.0"
-    debug "^4.1.1"
+    "@typescript-eslint/scope-manager" "4.30.0"
+    "@typescript-eslint/types" "4.30.0"
+    "@typescript-eslint/typescript-estree" "4.30.0"
+    debug "^4.3.1"
+
+"@typescript-eslint/scope-manager@4.30.0":
+  version "4.30.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.30.0.tgz#1a3ffbb385b1a06be85cd5165a22324f069a85ee"
+  integrity sha512-VJ/jAXovxNh7rIXCQbYhkyV2Y3Ac/0cVHP/FruTJSAUUm4Oacmn/nkN5zfWmWFEanN4ggP0vJSHOeajtHq3f8A==
+  dependencies:
+    "@typescript-eslint/types" "4.30.0"
+    "@typescript-eslint/visitor-keys" "4.30.0"
 
 "@typescript-eslint/scope-manager@4.9.0":
   version "4.9.0"
@@ -346,11 +354,29 @@
     "@typescript-eslint/types" "4.9.0"
     "@typescript-eslint/visitor-keys" "4.9.0"
 
+"@typescript-eslint/types@4.30.0":
+  version "4.30.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.30.0.tgz#fb9d9b0358426f18687fba82eb0b0f869780204f"
+  integrity sha512-YKldqbNU9K4WpTNwBqtAerQKLLW/X2A/j4yw92e3ZJYLx+BpKLeheyzoPfzIXHfM8BXfoleTdiYwpsvVPvHrDw==
+
 "@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@4.30.0":
+  version "4.30.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.30.0.tgz#ae57833da72a753f4846cd3053758c771670c2ac"
+  integrity sha512-6WN7UFYvykr/U0Qgy4kz48iGPWILvYL34xXJxvDQeiRE018B7POspNRVtAZscWntEPZpFCx4hcz/XBT+erenfg==
+  dependencies:
+    "@typescript-eslint/types" "4.30.0"
+    "@typescript-eslint/visitor-keys" "4.30.0"
+    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@4.9.0":
   version "4.9.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.9.0.tgz#38a98df6ee281cfd6164d6f9d91795b37d9e508c"
@@ -365,6 +391,14 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
+"@typescript-eslint/visitor-keys@4.30.0":
+  version "4.30.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.30.0.tgz#a47c6272fc71b0c627d1691f68eaecf4ad71445e"
+  integrity sha512-pNaaxDt/Ol/+JZwzP7MqWc8PJQTUhZwoee/PVlQ+iYoYhagccvoHnC9e4l+C/krQYYkENxznhVSDwClIbZVxRw==
+  dependencies:
+    "@typescript-eslint/types" "4.30.0"
+    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"
@@ -803,7 +837,7 @@ debug@4.2.0:
   dependencies:
     ms "2.1.2"
 
-debug@^4.0.1, debug@^4.1.0, debug@^4.1.1, debug@^4.2.0:
+debug@^4.0.1, debug@^4.1.0, debug@^4.1.1, debug@^4.2.0, debug@^4.3.1:
   version "4.3.2"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.2.tgz#f0a49c18ac8779e31d4a0c6029dfb76873c7428b"
   integrity sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==
@@ -1270,7 +1304,7 @@ globals@^12.1.0:
   dependencies:
     type-fest "^0.8.1"
 
-globby@^11.0.1:
+globby@^11.0.1, globby@^11.0.3:
   version "11.0.4"
   resolved "https://registry.yarnpkg.com/globby/-/globby-11.0.4.tgz#2cbaff77c2f2a62e71e9b2813a67b97a3a3001a5"
   integrity sha512-9O4MVG9ioZJ08ffbcyVYyLOJLk5JQ688pJ4eMGLpdWLHq/Wr1D9BlriLQyL0E+jbkuePVZXYFj47QM/v093wHg==
@@ -2185,7 +2219,7 @@ semver@^6.0.0, 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@^7.3.2:
+semver@^7.2.1, semver@^7.3.2, semver@^7.3.5:
   version "7.3.5"
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.5.tgz#0b621c879348d8998e4b0e4be94b3f12e6018ef7"
   integrity sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==
@@ -2445,7 +2479,7 @@ tslib@~2.1.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
   integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
 
-tsutils@^3.17.1:
+tsutils@^3.17.1, tsutils@^3.21.0:
   version "3.21.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"
   integrity sha512-mHKK3iUXL+3UF6xL5k0PEhKRUBKPBCv/+RkEOpjRWxxx27KKRBmmA60A9pgOUvMi8GKhRMPEmjBRPzs2W7O1OA==