diff --git a/lib/util/regex.ts b/lib/util/regex.ts
index 2f5263c0e5..f3735d2bcf 100644
--- a/lib/util/regex.ts
+++ b/lib/util/regex.ts
@@ -68,6 +68,11 @@ export function regEx(
   }
 }
 
+/**
+ * Escapes any RegExp syntax characters in the input string, returning a new string that can be safely interpolated into a RegExp as a literal string to match.
+ *
+ * @deprecated use `RegExp.escape` instead
+ */
 export function escapeRegExp(input: string): string {
   return input.replace(regEx(/[.*+\-?^${}()|[\]\\]/g), '\\$&'); // $& means the whole matched string
 }
diff --git a/tsconfig.json b/tsconfig.json
index 08badf3a25..63a3c13534 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -19,7 +19,7 @@
     "noImplicitOverride": true,
     "useUnknownInCatchVariables": false /* we aren't prepared for enabling this by default since ts 4.4*/,
     "isolatedModules": true /* required for tsdown */,
-    "lib": ["ES2024"],
+    "lib": ["ES2025"] /* node v24.11.0+ supports ES2025 */,
     "types": ["node", "vitest/globals"],
     "checkJs": true,
     "skipLibCheck": true, // https://github.com/vitejs/vite/discussions/12466#discussioncomment-7596971