diff --git a/packages/esbuild/.npmignore b/packages/esbuild/.npmignore
new file mode 100644
index 00000000..01a5f85d
--- /dev/null
+++ b/packages/esbuild/.npmignore
@@ -0,0 +1,3 @@
+*.ts
+!*.d.ts
+!*.js
diff --git a/packages/esbuild/package.json b/packages/esbuild/package.json
index ea4992b6..18f8ec9c 100644
--- a/packages/esbuild/package.json
+++ b/packages/esbuild/package.json
@@ -3,6 +3,7 @@
   "version": "2.0.0",
   "description": "Esbuild implementation for CDK",
   "main": "index.js",
+  "types": "index.d.ts",
   "license": "GPL-3.0-only",
   "scripts": {
     "build": "tsc"