diff --git a/package-lock.json b/package-lock.json
index 462316b..bdfc2cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       "devDependencies": {
         "@stryker-mutator/core": "^7.0.2",
         "@stryker-mutator/jest-runner": "^7.0.2",
-        "@stryker-mutator/typescript-checker": "^7.0.2",
+        "@stryker-mutator/typescript-checker": "^9.6.0",
         "@types/jest": "^29.5.2",
         "@types/node": "^20.3.1",
         "husky": "^8.0.3",
@@ -1700,23 +1700,94 @@
       }
     },
     "node_modules/@stryker-mutator/typescript-checker": {
-      "version": "7.0.2",
-      "resolved": "https://registry.npmjs.org/@stryker-mutator/typescript-checker/-/typescript-checker-7.0.2.tgz",
-      "integrity": "sha512-8eGJ/B9poo9Mh2el/FhgdXmrhU+B8VzMyKNngia5DVGaruLGunomyctyPpc67LgHSb1c2roYSjrP9d70qctmvw==",
+      "version": "9.6.0",
+      "resolved": "https://registry.npmjs.org/@stryker-mutator/typescript-checker/-/typescript-checker-9.6.0.tgz",
+      "integrity": "sha512-mPoB2Eogda4bpIoNgdN+VHnZvbwD0R/oNCCbmq7UQVLZtzF09nH1M1kbilYdmrCyxYYkFyTCKy3WhU3YGWdDjA==",
       "dev": true,
+      "license": "Apache-2.0",
       "dependencies": {
-        "@stryker-mutator/api": "7.0.2",
-        "@stryker-mutator/util": "7.0.2",
-        "semver": "~7.5.0"
+        "@stryker-mutator/api": "9.6.0",
+        "@stryker-mutator/util": "9.6.0",
+        "semver": "~7.7.0"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=20.0.0"
       },
       "peerDependencies": {
-        "@stryker-mutator/core": "~7.0.0",
+        "@stryker-mutator/core": "9.6.0",
         "typescript": ">=3.6"
       }
     },
+    "node_modules/@stryker-mutator/typescript-checker/node_modules/@stryker-mutator/api": {
+      "version": "9.6.0",
+      "resolved": "https://registry.npmjs.org/@stryker-mutator/api/-/api-9.6.0.tgz",
+      "integrity": "sha512-kJEEwOVoWDXGEIXuM+9efT6LSJ7nyxnQQvjEoKg8GSZXbDUjfD0tqA0aBD06U1SzQLKCM7ffjgPffr154MHZKw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "mutation-testing-metrics": "3.7.2",
+        "mutation-testing-report-schema": "3.7.2",
+        "tslib": "~2.8.0",
+        "typed-inject": "~5.0.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    },
+    "node_modules/@stryker-mutator/typescript-checker/node_modules/@stryker-mutator/util": {
+      "version": "9.6.0",
+      "resolved": "https://registry.npmjs.org/@stryker-mutator/util/-/util-9.6.0.tgz",
+      "integrity": "sha512-gw7fJOFNHEj9inAEOodD9RrrMEMhZmWJ46Ww/kDJAXlSsBBmdwCzeomNLngmLTvgp14z7Tfq85DHYwvmNMdOxA==",
+      "dev": true,
+      "license": "Apache-2.0"
+    },
+    "node_modules/@stryker-mutator/typescript-checker/node_modules/mutation-testing-metrics": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/mutation-testing-metrics/-/mutation-testing-metrics-3.7.2.tgz",
+      "integrity": "sha512-ichXZSC4FeJbcVHYOWzWUhNuTJGogc0WiQol8lqEBrBSp+ADl3fmcZMqrx0ogInEUiImn+A8JyTk6uh9vd25TQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "mutation-testing-report-schema": "3.7.2"
+      }
+    },
+    "node_modules/@stryker-mutator/typescript-checker/node_modules/mutation-testing-report-schema": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/mutation-testing-report-schema/-/mutation-testing-report-schema-3.7.2.tgz",
+      "integrity": "sha512-fN5M61SDzIOeJyatMOhGPLDOFz5BQIjTNPjo4PcHIEUWrejO4i4B5PFuQ/2l43709hEsTxeiXX00H73WERKcDw==",
+      "dev": true,
+      "license": "Apache-2.0"
+    },
+    "node_modules/@stryker-mutator/typescript-checker/node_modules/semver": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz",
+      "integrity": "sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@stryker-mutator/typescript-checker/node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "dev": true,
+      "license": "0BSD"
+    },
+    "node_modules/@stryker-mutator/typescript-checker/node_modules/typed-inject": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/typed-inject/-/typed-inject-5.0.0.tgz",
+      "integrity": "sha512-0Ql2ORqBORLMdAW89TQKZsb1PQkFGImFfVmncXWe7a+AA3+7dh7Se9exxZowH4kbnlvKEFkMxUYdHUpjYWFJaA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@stryker-mutator/util": {
       "version": "7.0.2",
       "resolved": "https://registry.npmjs.org/@stryker-mutator/util/-/util-7.0.2.tgz",
diff --git a/package.json b/package.json
index 1dbbbd3..ddb67f8 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
       "typescript": "^5.1.3",
       "@stryker-mutator/core": "^7.0.2",
       "@stryker-mutator/jest-runner": "^7.0.2",
-      "@stryker-mutator/typescript-checker": "^7.0.2",
+      "@stryker-mutator/typescript-checker": "^9.6.0",
       "husky": "^8.0.3"
   }
 }