diff --git a/applications/electron/package.json b/applications/electron/package.json
index 6d6501cf1..ffd169d06 100644
--- a/applications/electron/package.json
+++ b/applications/electron/package.json
@@ -70,7 +70,8 @@
     "@theia/plugin-ext-vscode": "1.39.0",
     "@theia/preferences": "1.39.0",
     "@theia/process": "1.39.0",
-    "@theia/property-view": "1.39.0",
+    "@theia/property-view": "1.39.0",    
+    "@theia/secondary-window": "1.39.0",
     "@theia/scm": "1.39.0",
     "@theia/scm-extra": "1.39.0",
     "@theia/search-in-workspace": "1.39.0",