diff --git a/package.json b/package.json
index efcf47f..55bdfa4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hiveteams/collab",
-  "version": "1.0.0-alpha.4",
+  "version": "1.0.0-alpha.5",
   "main": "",
   "description": "Slate collaborative editing",
   "scripts": {
diff --git a/tsconfig.json b/tsconfig.json
index 27a01a1..a1d6533 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -15,7 +15,7 @@
     "sourceMap": true,
     "strict": true,
     "suppressImplicitAnyIndexErrors": true,
-    "target": "esnext"
+    "target": "es2019"
   },
   "exclude": ["node_modules"],
   "include": ["**/*.ts", "**/*.tsx"]