diff --git a/package.json b/package.json
index 9a032e53..8978a735 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@types/lodash": "^4.14.165",
     "@types/node": "^14.14.10",
     "@types/sinon": "^9.0.9",
-    "@typescript-eslint/eslint-plugin": "^4.9.0",
+    "@typescript-eslint/eslint-plugin": "^4.9.1",
     "@typescript-eslint/parser": "^4.8.2",
     "ava": "^3.13.0",
     "benny": "^3.6.15",
diff --git a/yarn.lock b/yarn.lock
index e91a4de5..68aa0e28 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1413,28 +1413,28 @@
   dependencies:
     "@types/node" "*"
 
-"@typescript-eslint/eslint-plugin@^4.9.0":
-  version "4.9.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.9.0.tgz#8fde15743413661fdc086c9f1f5d74a80b856113"
-  integrity sha512-WrVzGMzzCrgrpnQMQm4Tnf+dk+wdl/YbgIgd5hKGa2P+lnJ2MON+nQnbwgbxtN9QDLi8HO+JAq0/krMnjQK6Cw==
+"@typescript-eslint/eslint-plugin@^4.9.1":
+  version "4.9.1"
+  resolved "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.9.1.tgz#66758cbe129b965fe9c63b04b405d0cf5280868b"
+  integrity sha512-QRLDSvIPeI1pz5tVuurD+cStNR4sle4avtHhxA+2uyixWGFjKzJ+EaFVRW6dA/jOgjV5DTAjOxboQkRDE8cRlQ==
   dependencies:
-    "@typescript-eslint/experimental-utils" "4.9.0"
-    "@typescript-eslint/scope-manager" "4.9.0"
+    "@typescript-eslint/experimental-utils" "4.9.1"
+    "@typescript-eslint/scope-manager" "4.9.1"
     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@4.9.0":
-  version "4.9.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.9.0.tgz#23a296b85d243afba24e75a43fd55aceda5141f0"
-  integrity sha512-0p8GnDWB3R2oGhmRXlEnCvYOtaBCijtA5uBfH5GxQKsukdSQyI4opC4NGTUb88CagsoNQ4rb/hId2JuMbzWKFQ==
+"@typescript-eslint/experimental-utils@4.9.1":
+  version "4.9.1"
+  resolved "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.9.1.tgz#86633e8395191d65786a808dc3df030a55267ae2"
+  integrity sha512-c3k/xJqk0exLFs+cWSJxIjqLYwdHCuLWhnpnikmPQD2+NGAx9KjLYlBDcSI81EArh9FDYSL6dslAUSwILeWOxg==
   dependencies:
     "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/scope-manager" "4.9.0"
-    "@typescript-eslint/types" "4.9.0"
-    "@typescript-eslint/typescript-estree" "4.9.0"
+    "@typescript-eslint/scope-manager" "4.9.1"
+    "@typescript-eslint/types" "4.9.1"
+    "@typescript-eslint/typescript-estree" "4.9.1"
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
@@ -1456,23 +1456,23 @@
     "@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.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.9.0.tgz#5eefe305d6b71d1c85af6587b048426bfd4d3708"
-  integrity sha512-q/81jtmcDtMRE+nfFt5pWqO0R41k46gpVLnuefqVOXl4QV1GdQoBWfk5REcipoJNQH9+F5l+dwa9Li5fbALjzg==
+"@typescript-eslint/scope-manager@4.9.1":
+  version "4.9.1"
+  resolved "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.9.1.tgz#cc2fde310b3f3deafe8436a924e784eaab265103"
+  integrity sha512-sa4L9yUfD/1sg9Kl8OxPxvpUcqxKXRjBeZxBuZSSV1v13hjfEJkn84n0An2hN8oLQ1PmEl2uA6FkI07idXeFgQ==
   dependencies:
-    "@typescript-eslint/types" "4.9.0"
-    "@typescript-eslint/visitor-keys" "4.9.0"
+    "@typescript-eslint/types" "4.9.1"
+    "@typescript-eslint/visitor-keys" "4.9.1"
 
 "@typescript-eslint/types@4.8.2":
   version "4.8.2"
   resolved "https://registry.npmjs.org/@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.npmjs.org/@typescript-eslint/types/-/types-4.9.0.tgz#3fe8c3632abd07095c7458f7451bd14c85d0033c"
-  integrity sha512-luzLKmowfiM/IoJL/rus1K9iZpSJK6GlOS/1ezKplb7MkORt2dDcfi8g9B0bsF6JoRGhqn0D3Va55b+vredFHA==
+"@typescript-eslint/types@4.9.1":
+  version "4.9.1"
+  resolved "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.9.1.tgz#a1a7dd80e4e5ac2c593bc458d75dd1edaf77faa2"
+  integrity sha512-fjkT+tXR13ks6Le7JiEdagnwEFc49IkOyys7ueWQ4O8k4quKPwPJudrwlVOJCUQhXo45PrfIvIarcrEjFTNwUA==
 
 "@typescript-eslint/typescript-estree@4.8.2":
   version "4.8.2"
@@ -1488,13 +1488,13 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/typescript-estree@4.9.0":
-  version "4.9.0"
-  resolved "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.9.0.tgz#38a98df6ee281cfd6164d6f9d91795b37d9e508c"
-  integrity sha512-rmDR++PGrIyQzAtt3pPcmKWLr7MA+u/Cmq9b/rON3//t5WofNR4m/Ybft2vOLj0WtUzjn018ekHjTsnIyBsQug==
+"@typescript-eslint/typescript-estree@4.9.1":
+  version "4.9.1"
+  resolved "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.9.1.tgz#6e5b86ff5a5f66809e1f347469fadeec69ac50bf"
+  integrity sha512-bzP8vqwX6Vgmvs81bPtCkLtM/Skh36NE6unu6tsDeU/ZFoYthlTXbBmpIrvosgiDKlWTfb2ZpPELHH89aQjeQw==
   dependencies:
-    "@typescript-eslint/types" "4.9.0"
-    "@typescript-eslint/visitor-keys" "4.9.0"
+    "@typescript-eslint/types" "4.9.1"
+    "@typescript-eslint/visitor-keys" "4.9.1"
     debug "^4.1.1"
     globby "^11.0.1"
     is-glob "^4.0.1"
@@ -1510,12 +1510,12 @@
     "@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.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.9.0.tgz#f284e9fac43f2d6d35094ce137473ee321f266c8"
-  integrity sha512-sV45zfdRqQo1A97pOSx3fsjR+3blmwtdCt8LDrXgCX36v4Vmz4KHrhpV6Fo2cRdXmyumxx11AHw0pNJqCNpDyg==
+"@typescript-eslint/visitor-keys@4.9.1":
+  version "4.9.1"
+  resolved "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.9.1.tgz#d76374a58c4ead9e92b454d186fea63487b25ae1"
+  integrity sha512-9gspzc6UqLQHd7lXQS7oWs+hrYggspv/rk6zzEMhCbYwPE/sF7oxo7GAjkS35Tdlt7wguIG+ViWCPtVZHz/ybQ==
   dependencies:
-    "@typescript-eslint/types" "4.9.0"
+    "@typescript-eslint/types" "4.9.1"
     eslint-visitor-keys "^2.0.0"
 
 "@zkochan/cmd-shim@^3.1.0":