diff --git a/.changeset/soft-roses-teach.md b/.changeset/soft-roses-teach.md
new file mode 100644
index 000000000..c3b3a3cd5
--- /dev/null
+++ b/.changeset/soft-roses-teach.md
@@ -0,0 +1,5 @@
+---
+"openapi-typescript-helpers": patch
+---
+
+keep index.d.cts in npm distribution
diff --git a/packages/openapi-typescript-helpers/package.json b/packages/openapi-typescript-helpers/package.json
index 219c9e107..2cbe636d1 100644
--- a/packages/openapi-typescript-helpers/package.json
+++ b/packages/openapi-typescript-helpers/package.json
@@ -23,6 +23,7 @@
     },
     "./*": "./*"
   },
+  "files": ["index.js", "index.cjs", "index.d.ts", "index.d.cts"],
   "homepage": "https://openapi-ts.dev",
   "repository": {
     "type": "git",