diff --git a/lib/utils/naming.js b/lib/utils/naming.js
index da66b21b..eb024db5 100644
--- a/lib/utils/naming.js
+++ b/lib/utils/naming.js
@@ -4,7 +4,7 @@
  * @fileoverview Common helpers for naming of plugins, formatters and configs
  */
 
-const NAMESPACE_REGEX = /^@.*\//iu;
+const NAMESPACE_REGEX = /^@.*\//u;
 
 /**
  * Brings package name to correct format based on prefix
diff --git a/package.json b/package.json
index 4126c696..4e112058 100644
--- a/package.json
+++ b/package.json
@@ -46,9 +46,9 @@
     },
     "devDependencies": {
         "@vitest/coverage-v8": "^1.3.1",
-        "eslint": "^9.27.0",
-        "eslint-config-eslint": "^11.0.0",
-        "eslint-release": "^3.2.0",
+        "eslint": "^9.34.0",
+        "eslint-config-eslint": "^12.0.0",
+        "eslint-release": "^3.3.0",
         "lint-staged": "^12.1.2",
         "memfs": "^3.4.0",
         "sinon": "^12.0.1",
diff --git a/tests/__snapshots__/config@eslint-config-xo b/tests/__snapshots__/config@eslint-config-xo
index c9c41e42..ddbbca2f 100644
--- a/tests/__snapshots__/config@eslint-config-xo
+++ b/tests/__snapshots__/config@eslint-config-xo
@@ -8,7 +8,7 @@ export default defineConfig([
 ",
   "configFilename": "eslint.config.mjs",
   "devDependencies": [
-    "eslint@>=9.27.0",
+    "eslint@>=9.33.0",
     "eslint-config-xo",
   ],
   "installFlags": [