diff --git a/SkyRTC-demo-master/package-lock.json b/SkyRTC-demo-master/package-lock.json
index 3641095..8c562f5 100644
--- a/SkyRTC-demo-master/package-lock.json
+++ b/SkyRTC-demo-master/package-lock.json
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 		"skyrtc": {
@@ -145,8 +500,164 @@
 				"express": "3.1.0",
 				"node-uuid": ">= 1.4.1",
 				"ws": ">= 0.0.0"
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+			"integrity": "sha1-HiZ3C9D86GxAlFWR5vKExokXkeI="
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diff --git a/SkyRTC-demo-master/package.json b/SkyRTC-demo-master/package.json
old mode 100755
new mode 100644
index 244d423..b86a737
--- a/SkyRTC-demo-master/package.json
+++ b/SkyRTC-demo-master/package.json
@@ -4,7 +4,7 @@
 	"dependencies": {
 		"ws": ">= 0.0.0",
 		"node-uuid": ">= 1.4.1",
-		"express": "3.1.0",
+		"express": "3.11.0",
 		"skyrtc": ">= 0.0.0"
 	},
 	"readmeFilename": "README.md"