diff --git a/electron/build/template-package.json b/electron/build/template-package.json
index 48f957b9..a98fd8ba 100644
--- a/electron/build/template-package.json
+++ b/electron/build/template-package.json
@@ -112,6 +112,7 @@
   },
   "theiaPluginsDir": "plugins",
   "theiaPlugins": {
-    "vscode-yaml": "https://github.com/redhat-developer/vscode-yaml/releases/download/0.7.2/redhat.vscode-yaml-0.7.2.vsix"
+    "vscode-yaml": "https://open-vsx.org/api/redhat/vscode-yaml/0.7.2/file/redhat.vscode-yaml-0.7.2.vsix",
+    "vscode-builtin-cpp": "http://open-vsx.org/api/vscode/cpp/1.39.1/file/vscode.cpp-1.39.1.vsix"
   }
 }