diff --git a/packages/vitepress-twoslash/build.config.ts b/packages/vitepress-twoslash/build.config.ts
index 84f15f6f..45887829 100644
--- a/packages/vitepress-twoslash/build.config.ts
+++ b/packages/vitepress-twoslash/build.config.ts
@@ -5,6 +5,7 @@ export default defineBuildConfig({
   entries: [
     'src/index.ts',
     'src/client.ts',
+    'src/cache-fs.ts',
   ],
   declaration: true,
   rollup: {
diff --git a/packages/vitepress-twoslash/package.json b/packages/vitepress-twoslash/package.json
index ed762584..ffa70f1c 100644
--- a/packages/vitepress-twoslash/package.json
+++ b/packages/vitepress-twoslash/package.json
@@ -27,6 +27,10 @@
       "types": "./dist/client.d.mts",
       "default": "./dist/client.mjs"
     },
+    "./cache-fs": {
+      "types": "./dist/cache-fs.d.mts",
+      "default": "./dist/cache-fs.mjs"
+    },
     "./style.css": "./style.css",
     "./style-core.css": "./style-core.css"
   },