diff --git a/package.json b/package.json
index a4a60b6..568ae1e 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "version": "0.3.0",
   "description": "A custom React Hook that provides a multi-instance, multi-tab/browser shared and persistent state.",
   "main": "dist/use-persisted-state.js",
+  "types": "use-persisted-state.d.ts",
   "umd:main": "dist/use-persisted-state.umd.js",
   "module": "dist/use-persisted-state.m.js",
   "source": "src/index.js",
diff --git a/use-persisted-state.d.ts b/use-persisted-state.d.ts
new file mode 100644
index 0000000..ef698de
--- /dev/null
+++ b/use-persisted-state.d.ts
@@ -0,0 +1,4 @@
+declare module 'use-persisted-state' {
+  function createPersistedState<T>(key: string, storage: Storage): (initialState: T) => [S, Dispatch<SetStateAction<S>>];
+  export = createPersistedState;
+}