diff --git a/package.json b/package.json
index 46fcf4f9..fac6fa38 100644
--- a/package.json
+++ b/package.json
@@ -35,8 +35,8 @@
   },
   "dependencies": {
     "@sourcegraph/prettierrc": "^3.0.3",
-    "@typescript-eslint/eslint-plugin": "^4.9.1",
-    "@typescript-eslint/parser": "^4.9.1",
+    "@typescript-eslint/eslint-plugin": "^4.12.0",
+    "@typescript-eslint/parser": "^4.12.0",
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-ban": "^1.4.0",
     "eslint-plugin-etc": "^1.1.7",
diff --git a/yarn.lock b/yarn.lock
index 658c6eca..38f10b36 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -467,61 +467,61 @@
   resolved "https://registry.npmjs.org/@types/retry/-/retry-0.12.0.tgz#2b35eccfcee7d38cd72ad99232fbd58bffb3c84d"
   integrity sha512-wWKOClTTiizcZhXnPY4wikVAwmdYHp8q6DmC+EJUzAMsycb7HB32Kh9RN4+0gExjmPmZSAQjgURXIGATPegAvA==
 
-"@typescript-eslint/eslint-plugin@^4.9.1":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.9.1.tgz#66758cbe129b965fe9c63b04b405d0cf5280868b"
-  integrity sha512-QRLDSvIPeI1pz5tVuurD+cStNR4sle4avtHhxA+2uyixWGFjKzJ+EaFVRW6dA/jOgjV5DTAjOxboQkRDE8cRlQ==
+"@typescript-eslint/eslint-plugin@^4.12.0":
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.12.0.tgz#00d1b23b40b58031e6d7c04a5bc6c1a30a2e834a"
+  integrity sha512-wHKj6q8s70sO5i39H2g1gtpCXCvjVszzj6FFygneNFyIAxRvNSVz9GML7XpqrB9t7hNutXw+MHnLN/Ih6uyB8Q==
   dependencies:
-    "@typescript-eslint/experimental-utils" "4.9.1"
-    "@typescript-eslint/scope-manager" "4.9.1"
+    "@typescript-eslint/experimental-utils" "4.12.0"
+    "@typescript-eslint/scope-manager" "4.12.0"
     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@4.9.1", "@typescript-eslint/experimental-utils@^4.0.0":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.9.1.tgz#86633e8395191d65786a808dc3df030a55267ae2"
-  integrity sha512-c3k/xJqk0exLFs+cWSJxIjqLYwdHCuLWhnpnikmPQD2+NGAx9KjLYlBDcSI81EArh9FDYSL6dslAUSwILeWOxg==
+"@typescript-eslint/experimental-utils@4.12.0", "@typescript-eslint/experimental-utils@^4.0.0":
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.12.0.tgz#372838e76db76c9a56959217b768a19f7129546b"
+  integrity sha512-MpXZXUAvHt99c9ScXijx7i061o5HEjXltO+sbYfZAAHxv3XankQkPaNi5myy0Yh0Tyea3Hdq1pi7Vsh0GJb0fA==
   dependencies:
     "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/scope-manager" "4.9.1"
-    "@typescript-eslint/types" "4.9.1"
-    "@typescript-eslint/typescript-estree" "4.9.1"
+    "@typescript-eslint/scope-manager" "4.12.0"
+    "@typescript-eslint/types" "4.12.0"
+    "@typescript-eslint/typescript-estree" "4.12.0"
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/parser@^4.9.1":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.9.1.tgz#2d74c4db5dd5117379a9659081a4d1ec02629055"
-  integrity sha512-Gv2VpqiomvQ2v4UL+dXlQcZ8zCX4eTkoIW+1aGVWT6yTO+6jbxsw7yQl2z2pPl/4B9qa5JXeIbhJpONKjXIy3g==
+"@typescript-eslint/parser@^4.12.0":
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.12.0.tgz#e1cf30436e4f916c31fcc962158917bd9e9d460a"
+  integrity sha512-9XxVADAo9vlfjfoxnjboBTxYOiNY93/QuvcPgsiKvHxW6tOZx1W4TvkIQ2jB3k5M0pbFP5FlXihLK49TjZXhuQ==
   dependencies:
-    "@typescript-eslint/scope-manager" "4.9.1"
-    "@typescript-eslint/types" "4.9.1"
-    "@typescript-eslint/typescript-estree" "4.9.1"
+    "@typescript-eslint/scope-manager" "4.12.0"
+    "@typescript-eslint/types" "4.12.0"
+    "@typescript-eslint/typescript-estree" "4.12.0"
     debug "^4.1.1"
 
-"@typescript-eslint/scope-manager@4.9.1":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.9.1.tgz#cc2fde310b3f3deafe8436a924e784eaab265103"
-  integrity sha512-sa4L9yUfD/1sg9Kl8OxPxvpUcqxKXRjBeZxBuZSSV1v13hjfEJkn84n0An2hN8oLQ1PmEl2uA6FkI07idXeFgQ==
+"@typescript-eslint/scope-manager@4.12.0":
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.12.0.tgz#beeb8beca895a07b10c593185a5612f1085ef279"
+  integrity sha512-QVf9oCSVLte/8jvOsxmgBdOaoe2J0wtEmBr13Yz0rkBNkl5D8bfnf6G4Vhox9qqMIoG7QQoVwd2eG9DM/ge4Qg==
   dependencies:
-    "@typescript-eslint/types" "4.9.1"
-    "@typescript-eslint/visitor-keys" "4.9.1"
+    "@typescript-eslint/types" "4.12.0"
+    "@typescript-eslint/visitor-keys" "4.12.0"
 
-"@typescript-eslint/types@4.9.1":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.9.1.tgz#a1a7dd80e4e5ac2c593bc458d75dd1edaf77faa2"
-  integrity sha512-fjkT+tXR13ks6Le7JiEdagnwEFc49IkOyys7ueWQ4O8k4quKPwPJudrwlVOJCUQhXo45PrfIvIarcrEjFTNwUA==
+"@typescript-eslint/types@4.12.0":
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.12.0.tgz#fb891fe7ccc9ea8b2bbd2780e36da45d0dc055e5"
+  integrity sha512-N2RhGeheVLGtyy+CxRmxdsniB7sMSCfsnbh8K/+RUIXYYq3Ub5+sukRCjVE80QerrUBvuEvs4fDhz5AW/pcL6g==
 
-"@typescript-eslint/typescript-estree@4.9.1":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.9.1.tgz#6e5b86ff5a5f66809e1f347469fadeec69ac50bf"
-  integrity sha512-bzP8vqwX6Vgmvs81bPtCkLtM/Skh36NE6unu6tsDeU/ZFoYthlTXbBmpIrvosgiDKlWTfb2ZpPELHH89aQjeQw==
+"@typescript-eslint/typescript-estree@4.12.0":
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.12.0.tgz#3963418c850f564bdab3882ae23795d115d6d32e"
+  integrity sha512-gZkFcmmp/CnzqD2RKMich2/FjBTsYopjiwJCroxqHZIY11IIoN0l5lKqcgoAPKHt33H2mAkSfvzj8i44Jm7F4w==
   dependencies:
-    "@typescript-eslint/types" "4.9.1"
-    "@typescript-eslint/visitor-keys" "4.9.1"
+    "@typescript-eslint/types" "4.12.0"
+    "@typescript-eslint/visitor-keys" "4.12.0"
     debug "^4.1.1"
     globby "^11.0.1"
     is-glob "^4.0.1"
@@ -529,12 +529,12 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/visitor-keys@4.9.1":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.9.1.tgz#d76374a58c4ead9e92b454d186fea63487b25ae1"
-  integrity sha512-9gspzc6UqLQHd7lXQS7oWs+hrYggspv/rk6zzEMhCbYwPE/sF7oxo7GAjkS35Tdlt7wguIG+ViWCPtVZHz/ybQ==
+"@typescript-eslint/visitor-keys@4.12.0":
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.12.0.tgz#a470a79be6958075fa91c725371a83baf428a67a"
+  integrity sha512-hVpsLARbDh4B9TKYz5cLbcdMIOAoBYgFPCSP9FFS/liSF+b33gVNq8JHY3QGhHNVz85hObvL7BEYLlgx553WCw==
   dependencies:
-    "@typescript-eslint/types" "4.9.1"
+    "@typescript-eslint/types" "4.12.0"
     eslint-visitor-keys "^2.0.0"
 
 JSONStream@^1.0.4, JSONStream@^1.3.4, JSONStream@^1.3.5: