diff --git a/packages/backend/package.json b/packages/backend/package.json
index f8a3d6b..5215c3e 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -17,10 +17,8 @@
   "author": "cudr",
   "license": "MIT",
   "scripts": {
-    "prepublishOnly": "yarn run build:module",
-    "build:module": "yarn run build:types && yarn run build:js",
-    "build:types": "tsc --emitDeclarationOnly",
-    "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
+    "prepublishOnly": "yarn run build:js",
+    "build:js": "./node_modules/typescript/bin/tsc -p ./tsconfig.json",
     "watch": "yarn build:js -w"
   },
   "dependencies": {
diff --git a/packages/backend/src/AutomergeCollaboration.ts b/packages/backend/src/AutomergeCollaboration.ts
index aee1273..153aeaa 100644
--- a/packages/backend/src/AutomergeCollaboration.ts
+++ b/packages/backend/src/AutomergeCollaboration.ts
@@ -94,13 +94,13 @@ export default class AutomergeCollaboration {
   /**
    * Construct error data and call onError callback
    */
-  private handleError(socket: SocketIO.Socket, err: Error, data: any = {}) {
+  private handleError(socket: SocketIO.Socket, err: unknown, data: any = {}) {
     const { id } = socket
     const { name: docId } = socket.nsp
 
     if (this.options.onError) {
       const document = this.backend.getDocument(docId)
-      this.options.onError(err, {
+      this.options.onError(err as Error, {
         user: this.userMap[id],
         docId,
         automergeDocument: document ? Automerge.save(document) : null,
diff --git a/packages/backend/src/index.ts b/packages/backend/src/index.ts
index f25625d..ce86a92 100644
--- a/packages/backend/src/index.ts
+++ b/packages/backend/src/index.ts
@@ -1,3 +1,6 @@
-import AutomergeCollaboration from './AutomergeCollaboration'
+import AutomergeCollaboration, {
+  IAutomergeMetaData
+} from './AutomergeCollaboration'
+import getActiveConnections from 'utils/getActiveConnections'
 
-export { AutomergeCollaboration }
+export { AutomergeCollaboration, IAutomergeMetaData, getActiveConnections }
diff --git a/packages/backend/tsconfig.json b/packages/backend/tsconfig.json
index 76f8c0f..504b502 100644
--- a/packages/backend/tsconfig.json
+++ b/packages/backend/tsconfig.json
@@ -6,6 +6,8 @@
     "baseUrl": "./src",
     "outDir": "./lib",
     "composite": true,
+    "declaration": true,
+    "declarationMap": true,
     "paths": {
       "@hiveteams/collab-bridge": ["../../collab-bridge"]
     }