diff --git a/package.json b/package.json
index f407db4..29d2f10 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "@stryker-mutator/jest-runner": "^3.3.1",
     "@stryker-mutator/typescript": "^3.3.1",
     "@types/jest": "^26.0.15",
-    "@typescript-eslint/eslint-plugin": "^4.6.0",
+    "@typescript-eslint/eslint-plugin": "^4.8.1",
     "@typescript-eslint/experimental-utils": "^4.5.0",
     "@typescript-eslint/parser": "^4.6.0",
     "eslint": "^7.12.1",
diff --git a/yarn.lock b/yarn.lock
index af9483c..925f18f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -712,28 +712,28 @@
   dependencies:
     "@types/yargs-parser" "*"
 
-"@typescript-eslint/eslint-plugin@^4.1.1", "@typescript-eslint/eslint-plugin@^4.6.0":
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.6.0.tgz#210cd538bb703f883aff81d3996961f5dba31fdb"
-  integrity sha512-1+419X+Ynijytr1iWI+/IcX/kJryc78YNpdaXR1aRO1sU3bC0vZrIAF1tIX7rudVI84W7o7M4zo5p1aVt70fAg==
+"@typescript-eslint/eslint-plugin@^4.1.1", "@typescript-eslint/eslint-plugin@^4.8.1":
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.8.1.tgz#b362abe0ee478a6c6d06c14552a6497f0b480769"
+  integrity sha512-d7LeQ7dbUrIv5YVFNzGgaW3IQKMmnmKFneRWagRlGYOSfLJVaRbj/FrBNOBC1a3tVO+TgNq1GbHvRtg1kwL0FQ==
   dependencies:
-    "@typescript-eslint/experimental-utils" "4.6.0"
-    "@typescript-eslint/scope-manager" "4.6.0"
+    "@typescript-eslint/experimental-utils" "4.8.1"
+    "@typescript-eslint/scope-manager" "4.8.1"
     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@4.6.0", "@typescript-eslint/experimental-utils@^4.0.1", "@typescript-eslint/experimental-utils@^4.1.1", "@typescript-eslint/experimental-utils@^4.5.0":
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.6.0.tgz#f750aef4dd8e5970b5c36084f0a5ca2f0db309a4"
-  integrity sha512-pnh6Beh2/4xjJVNL+keP49DFHk3orDHHFylSp3WEjtgW3y1U+6l+jNnJrGlbs6qhAz5z96aFmmbUyKhunXKvKw==
+"@typescript-eslint/experimental-utils@4.8.1", "@typescript-eslint/experimental-utils@^4.0.1", "@typescript-eslint/experimental-utils@^4.1.1", "@typescript-eslint/experimental-utils@^4.5.0":
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.8.1.tgz#27275c20fa4336df99ebcf6195f7d7aa7aa9f22d"
+  integrity sha512-WigyLn144R3+lGATXW4nNcDJ9JlTkG8YdBWHkDlN0lC3gUGtDi7Pe3h5GPvFKMcRz8KbZpm9FJV9NTW8CpRHpg==
   dependencies:
     "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/scope-manager" "4.6.0"
-    "@typescript-eslint/types" "4.6.0"
-    "@typescript-eslint/typescript-estree" "4.6.0"
+    "@typescript-eslint/scope-manager" "4.8.1"
+    "@typescript-eslint/types" "4.8.1"
+    "@typescript-eslint/typescript-estree" "4.8.1"
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
@@ -766,6 +766,14 @@
     "@typescript-eslint/types" "4.6.0"
     "@typescript-eslint/visitor-keys" "4.6.0"
 
+"@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"
+  integrity sha512-r0iUOc41KFFbZdPAdCS4K1mXivnSZqXS5D9oW+iykQsRlTbQRfuFRSW20xKDdYiaCoH+SkSLeIF484g3kWzwOQ==
+  dependencies:
+    "@typescript-eslint/types" "4.8.1"
+    "@typescript-eslint/visitor-keys" "4.8.1"
+
 "@typescript-eslint/types@3.10.1":
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-3.10.1.tgz#1d7463fa7c32d8a23ab508a803ca2fe26e758727"
@@ -776,6 +784,11 @@
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.6.0.tgz#157ca925637fd53c193c6bf226a6c02b752dde2f"
   integrity sha512-5FAgjqH68SfFG4UTtIFv+rqYJg0nLjfkjD0iv+5O27a0xEeNZ5rZNDvFGZDizlCD1Ifj7MAbSW2DPMrf0E9zjA==
 
+"@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@3.10.1":
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-3.10.1.tgz#fd0061cc38add4fad45136d654408569f365b853"
@@ -804,6 +817,20 @@
     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"
+  integrity sha512-bJ6Fn/6tW2g7WIkCWh3QRlaSU7CdUUK52shx36/J7T5oTQzANvi6raoTsbwGM11+7eBbeem8hCCKbyvAc0X3sQ==
+  dependencies:
+    "@typescript-eslint/types" "4.8.1"
+    "@typescript-eslint/visitor-keys" "4.8.1"
+    debug "^4.1.1"
+    globby "^11.0.1"
+    is-glob "^4.0.1"
+    lodash "^4.17.15"
+    semver "^7.3.2"
+    tsutils "^3.17.1"
+
 "@typescript-eslint/visitor-keys@3.10.1":
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-3.10.1.tgz#cd4274773e3eb63b2e870ac602274487ecd1e931"
@@ -819,6 +846,14 @@
     "@typescript-eslint/types" "4.6.0"
     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"
+  integrity sha512-3nrwXFdEYALQh/zW8rFwP4QltqsanCDz4CwWMPiIZmwlk9GlvBeueEIbq05SEq4ganqM0g9nh02xXgv5XI3PeQ==
+  dependencies:
+    "@typescript-eslint/types" "4.8.1"
+    eslint-visitor-keys "^2.0.0"
+
 abab@^2.0.3:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.5.tgz#c0b678fb32d60fc1219c784d6a826fe385aeb79a"