diff --git a/package.json b/package.json
index 5f51340..3acba6e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "screeps",
-  "version": "4.0.0-beta.3",
+  "version": "4.0.0-beta.4",
   "description": "A standalone server for programming game Screeps",
   "main": "package.json",
   "bin": {
@@ -17,7 +17,7 @@
     "@screeps/common": "2.12.0-beta.3",
     "@screeps/driver": "5.0.0-beta.2",
     "@screeps/engine": "4.0.0-beta.2",
-    "@screeps/launcher": "3.4.0-beta.2",
+    "@screeps/launcher": "4.0.0-beta.1",
     "@screeps/pathfinding": "0.4.16",
     "@screeps/storage": "5.0.0-beta.2"
   },