diff --git a/packages/secondary-window/package.json b/packages/secondary-window/package.json
index 3b224675cf3ee..d92e0167102fc 100644
--- a/packages/secondary-window/package.json
+++ b/packages/secondary-window/package.json
@@ -3,7 +3,7 @@
   "version": "1.31.0",
   "description": "Theia - Secondary Window Extension",
   "dependencies": {
-    "@theia/core": "1.31.0"
+    "@theia/core": "1.47.0"
   },
   "publishConfig": {
     "access": "public"