diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000000..28a769e552
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,10 @@
+declare module 'serverless-webpack' {
+  const lib: {
+    webpack: {
+      isLocal: boolean;
+    };
+    entries: {
+      [name: string]: string | string[];
+    };
+  };
+}
diff --git a/package.json b/package.json
index 660a4bc973..4c6a2168c0 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "5.3.1",
   "description": "Serverless plugin to bundle your javascript with Webpack",
   "main": "index.js",
+  "types": "index.d.ts",
   "author": "Frank Schmid <fschmid740@googlemail.com>",
   "repository": {
     "type": "git",