diff --git a/package.json b/package.json
index fa9be6c..9f9cddf 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "test:types": "tsc --noEmit --module esnext --skipLibCheck --moduleResolution node ./test/*.test.ts"
   },
   "dependencies": {
-    "jsonc-parser": "^3.2.1",
+    "confbox": "^0.1.6",
     "mlly": "^1.6.1",
     "pathe": "^1.1.2"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ba0ca0b..9740f02 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,9 +8,9 @@ importers:
 
   .:
     dependencies:
-      jsonc-parser:
-        specifier: ^3.2.1
-        version: 3.2.1
+      confbox:
+        specifier: ^0.1.6
+        version: 0.1.6
       mlly:
         specifier: ^1.6.1
         version: 1.6.1
diff --git a/src/index.ts b/src/index.ts
index af08349..e3198d1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,6 +3,7 @@ import { dirname, resolve, isAbsolute } from "pathe";
 import { ResolveOptions as _ResolveOptions, resolvePath } from "mlly";
 import { findFile, FindFileOptions, findNearestFile } from "./utils";
 import type { PackageJson, TSConfig } from "./types";
+import { parseJSONC } from "confbox";
 
 export * from "./types";
 export * from "./utils";
@@ -97,9 +98,8 @@ export async function readTSConfig(
   if (options.cache && cache.has(resolvedPath)) {
     return cache.get(resolvedPath)!;
   }
-  const blob = await fsp.readFile(resolvedPath, "utf8");
-  const jsonc = await import("jsonc-parser");
-  const parsed = jsonc.parse(blob) as TSConfig;
+  const text = await fsp.readFile(resolvedPath, "utf8");
+  const parsed = parseJSONC(text) as TSConfig;
   cache.set(resolvedPath, parsed);
   return parsed;
 }