diff --git a/package.json b/package.json
index 7940cf2..044636c 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@ava/typescript": "^1.1.1",
     "@types/node": "^14.0.0",
     "@typescript-eslint/eslint-plugin": "^4.15.1",
-    "@typescript-eslint/parser": "^2.22.0",
+    "@typescript-eslint/parser": "^4.25.0",
     "ava": "^3.5.0",
     "eslint": "^6.8.0",
     "eslint-config-klasa": "dirigeants/klasa-lint",
diff --git a/yarn.lock b/yarn.lock
index 8033434..56a6fda 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -202,11 +202,6 @@
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
-"@types/eslint-visitor-keys@^1.0.0":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#1ee30d79544ca84d68d4b3cdb0af4f205663dd2d"
-  integrity sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==
-
 "@types/json-schema@^7.0.3":
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.3.tgz#bdfd69d61e464dcc81b25159c270d75a73c1a636"
@@ -236,16 +231,6 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/experimental-utils@2.34.0":
-  version "2.34.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.34.0.tgz#d3524b644cdb40eebceca67f8cf3e4cc9c8f980f"
-  integrity sha512-eS6FTkq+wuMJ+sgtuNTtcqavWXqsflWcfBnlYhg/nS4aZ1leewkXGbvBhaapn1q6qf4M71bsR1tez5JTRMuqwA==
-  dependencies:
-    "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/typescript-estree" "2.34.0"
-    eslint-scope "^5.0.0"
-    eslint-utils "^2.0.0"
-
 "@typescript-eslint/experimental-utils@4.25.0":
   version "4.25.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.25.0.tgz#b2febcfa715d2c1806fd5f0335193a6cd270df54"
@@ -258,15 +243,15 @@
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/parser@^2.22.0":
-  version "2.34.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-2.34.0.tgz#50252630ca319685420e9a39ca05fe185a256bc8"
-  integrity sha512-03ilO0ucSD0EPTw2X4PntSIRFtDPWjrVq7C3/Z3VQHRC7+13YB55rcJI3Jt+YgeHbjUdJPcPa7b23rXCBokuyA==
+"@typescript-eslint/parser@^4.25.0":
+  version "4.25.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.25.0.tgz#6b2cb6285aa3d55bfb263c650739091b0f19aceb"
+  integrity sha512-OZFa1SKyEJpAhDx8FcbWyX+vLwh7OEtzoo2iQaeWwxucyfbi0mT4DijbOSsTgPKzGHr6GrF2V5p/CEpUH/VBxg==
   dependencies:
-    "@types/eslint-visitor-keys" "^1.0.0"
-    "@typescript-eslint/experimental-utils" "2.34.0"
-    "@typescript-eslint/typescript-estree" "2.34.0"
-    eslint-visitor-keys "^1.1.0"
+    "@typescript-eslint/scope-manager" "4.25.0"
+    "@typescript-eslint/types" "4.25.0"
+    "@typescript-eslint/typescript-estree" "4.25.0"
+    debug "^4.1.1"
 
 "@typescript-eslint/scope-manager@4.25.0":
   version "4.25.0"
@@ -281,19 +266,6 @@
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.25.0.tgz#0e444a5c5e3c22d7ffa5e16e0e60510b3de5af87"
   integrity sha512-+CNINNvl00OkW6wEsi32wU5MhHti2J25TJsJJqgQmJu3B3dYDBcmOxcE5w9cgoM13TrdE/5ND2HoEnBohasxRQ==
 
-"@typescript-eslint/typescript-estree@2.34.0":
-  version "2.34.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.34.0.tgz#14aeb6353b39ef0732cc7f1b8285294937cf37d5"
-  integrity sha512-OMAr+nJWKdlVM9LOqCqh3pQQPwxHAN7Du8DR6dmwCrAmxtiXQnhHJ6tBNtf+cggqfo51SG/FCwnKhXCIM7hnVg==
-  dependencies:
-    debug "^4.1.1"
-    eslint-visitor-keys "^1.1.0"
-    glob "^7.1.6"
-    is-glob "^4.0.1"
-    lodash "^4.17.15"
-    semver "^7.3.2"
-    tsutils "^3.17.1"
-
 "@typescript-eslint/typescript-estree@4.25.0":
   version "4.25.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.25.0.tgz#942e4e25888736bff5b360d9b0b61e013d0cfa25"