diff --git a/package.json b/package.json
index 29e59bb..07bd745 100644
--- a/package.json
+++ b/package.json
@@ -26,8 +26,8 @@
   },
   "devDependencies": {
     "@hypermod/utils": "^0.4.2",
-    "eslint": "^9.5.0",
-    "eslint-config-eslint": "^11.0.0",
+    "eslint": "^9.34.0",
+    "eslint-config-eslint": "^12.0.0",
     "eslint-release": "^1.0.0",
     "globals": "^15.2.0",
     "mocha": "^10.4.0",
diff --git a/tests/utils/index.js b/tests/utils/index.js
index 93040d4..5ab57f1 100644
--- a/tests/utils/index.js
+++ b/tests/utils/index.js
@@ -11,7 +11,7 @@ const os = require("node:os");
  * @private
  */
 function normalizeLineEndings(input) {
-    return input.replace(/(\r\n|\n|\r)/gmu, os.EOL);
+    return input.replace(/(\r\n|\n|\r)/gu, os.EOL);
 }
 
 module.exports = {