diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..2a7f460
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,12 @@
+declare module '@reedsy/rich-text' {
+  export * as Delta from '@reedsy/quill-delta';
+  import sharedb from 'sharedb';
+
+  export type Type = (typeof sharedb)['types']['map'][string];
+
+  export const config: {
+    serializedProperties: Record<string, boolean>;
+  };
+
+  export const type: Type;
+}
diff --git a/package.json b/package.json
index 270fa0e..acb74cb 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,13 @@
 {
   "name": "@reedsy/rich-text",
-  "version": "4.1.0-reedsy.4.0.0",
+  "version": "4.1.0-reedsy.4.1.0",
   "description": "OT type for rich text",
   "author": "Jason Chen <jhchen7@gmail.com>",
   "homepage": "https://github.com/ottypes/rich-text",
   "main": "index.js",
   "dependencies": {
-    "@reedsy/quill-delta": "^5.1.0-reedsy.3.0.0"
+    "@reedsy/quill-delta": "^5.1.0-reedsy.3.0.0",
+    "@types/sharedb": "^3.3.11"
   },
   "devDependencies": {
     "chai": "^4.2.0",