diff --git a/lsp-multi-server-sample/client/package.json b/lsp-multi-server-sample/client/package.json
index 094b863a..b0694448 100644
--- a/lsp-multi-server-sample/client/package.json
+++ b/lsp-multi-server-sample/client/package.json
@@ -17,7 +17,9 @@
 		"postinstall": "node ./node_modules/vscode/bin/install"
 	},
 	"dependencies": {
-		"vscode": "^1.1.21",
 		"vscode-languageclient": "^4.1.4"
+	},
+	"devDependencies": {
+		"vscode": "^1.1.21"
 	}
 }