diff --git a/package.json b/package.json
index ed50804..88e644c 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
         "@types/pluralize": "0.0.29",
         "@types/semver": "^7.3.4",
         "@typescript-eslint/eslint-plugin": "4.8.1",
-        "@typescript-eslint/parser": "4.8.1",
+        "@typescript-eslint/parser": "4.20.0",
         "eslint": "7.14.0",
         "eslint-config-prettier": "6.15.0",
         "eslint-plugin-jsdoc": "30.7.8",
diff --git a/yarn.lock b/yarn.lock
index a241e66..1d8d87e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -161,16 +161,24 @@
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/parser@4.8.1":
-  version "4.8.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.8.1.tgz#4fe2fbdbb67485bafc4320b3ae91e34efe1219d1"
-  integrity sha512-QND8XSVetATHK9y2Ltc/XBl5Ro7Y62YuZKnPEwnNPB8E379fDsvzJ1dMJ46fg/VOmk0hXhatc+GXs5MaXuL5Uw==
-  dependencies:
-    "@typescript-eslint/scope-manager" "4.8.1"
-    "@typescript-eslint/types" "4.8.1"
-    "@typescript-eslint/typescript-estree" "4.8.1"
+"@typescript-eslint/parser@4.20.0":
+  version "4.20.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.20.0.tgz#8dd403c8b4258b99194972d9799e201b8d083bdd"
+  integrity sha512-m6vDtgL9EABdjMtKVw5rr6DdeMCH3OA1vFb0dAyuZSa3e5yw1YRzlwFnm9knma9Lz6b2GPvoNSa8vOXrqsaglA==
+  dependencies:
+    "@typescript-eslint/scope-manager" "4.20.0"
+    "@typescript-eslint/types" "4.20.0"
+    "@typescript-eslint/typescript-estree" "4.20.0"
     debug "^4.1.1"
 
+"@typescript-eslint/scope-manager@4.20.0":
+  version "4.20.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.20.0.tgz#953ecbf3b00845ece7be66246608be9d126d05ca"
+  integrity sha512-/zm6WR6iclD5HhGpcwl/GOYDTzrTHmvf8LLLkwKqqPKG6+KZt/CfSgPCiybshmck66M2L5fWSF/MKNuCwtKQSQ==
+  dependencies:
+    "@typescript-eslint/types" "4.20.0"
+    "@typescript-eslint/visitor-keys" "4.20.0"
+
 "@typescript-eslint/scope-manager@4.8.1":
   version "4.8.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.8.1.tgz#e343c475f8f1d15801b546cb17d7f309b768fdce"
@@ -179,11 +187,29 @@
     "@typescript-eslint/types" "4.8.1"
     "@typescript-eslint/visitor-keys" "4.8.1"
 
+"@typescript-eslint/types@4.20.0":
+  version "4.20.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.20.0.tgz#c6cf5ef3c9b1c8f699a9bbdafb7a1da1ca781225"
+  integrity sha512-cYY+1PIjei1nk49JAPnH1VEnu7OYdWRdJhYI5wiKOUMhLTG1qsx5cQxCUTuwWCmQoyriadz3Ni8HZmGSofeC+w==
+
 "@typescript-eslint/types@4.8.1":
   version "4.8.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.8.1.tgz#23829c73c5fc6f4fcd5346a7780b274f72fee222"
   integrity sha512-ave2a18x2Y25q5K05K/U3JQIe2Av4+TNi/2YuzyaXLAsDx6UZkz1boZ7nR/N6Wwae2PpudTZmHFXqu7faXfHmA==
 
+"@typescript-eslint/typescript-estree@4.20.0":
+  version "4.20.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.20.0.tgz#8b3b08f85f18a8da5d88f65cb400f013e88ab7be"
+  integrity sha512-Knpp0reOd4ZsyoEJdW8i/sK3mtZ47Ls7ZHvD8WVABNx5Xnn7KhenMTRGegoyMTx6TiXlOVgMz9r0pDgXTEEIHA==
+  dependencies:
+    "@typescript-eslint/types" "4.20.0"
+    "@typescript-eslint/visitor-keys" "4.20.0"
+    debug "^4.1.1"
+    globby "^11.0.1"
+    is-glob "^4.0.1"
+    semver "^7.3.2"
+    tsutils "^3.17.1"
+
 "@typescript-eslint/typescript-estree@4.8.1":
   version "4.8.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.8.1.tgz#7307e3f2c9e95df7daa8dc0a34b8c43b7ec0dd32"
@@ -198,6 +224,14 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
+"@typescript-eslint/visitor-keys@4.20.0":
+  version "4.20.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.20.0.tgz#1e84db034da13f208325e6bfc995c3b75f7dbd62"
+  integrity sha512-NXKRM3oOVQL8yNFDNCZuieRIwZ5UtjNLYtmMx2PacEAGmbaEYtGgVHUHVyZvU/0rYZcizdrWjDo+WBtRPSgq+A==
+  dependencies:
+    "@typescript-eslint/types" "4.20.0"
+    eslint-visitor-keys "^2.0.0"
+
 "@typescript-eslint/visitor-keys@4.8.1":
   version "4.8.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.8.1.tgz#794f68ee292d1b2e3aa9690ebedfcb3a8c90e3c3"