diff --git a/src/demo3/package-lock.json b/src/demo3/package-lock.json
index a05e703..076bcff 100644
--- a/src/demo3/package-lock.json
+++ b/src/demo3/package-lock.json
@@ -1419,12 +1419,9 @@
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-      "requires": {
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-      }
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.1.2.tgz",
+      "integrity": "sha512-xAH3zWhgO2/3KIniEKYPr8plNSzlGINOUqYj0m0u7AB81iRw8b/3E73W6AuU+6klLbaSFmZnaETQ2lXPfAydrA=="
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@@ -3348,14 +3345,6 @@
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-      "resolved": "https://registry.npmjs.org/original/-/original-1.0.2.tgz",
-      "integrity": "sha512-hyBVl6iqqUOJ8FqRe+l/gS8H+kKYjrEndd5Pm1MfBtsEKA038HkkdbAl/72EAXGyonD/PFsvmVG+EvcIpliMBg==",
-      "requires": {
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@@ -3744,11 +3733,6 @@
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-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.1.0.tgz",
-      "integrity": "sha512-sluvZZ1YiTLD5jsqZcDmFyV2EwToyXZBfpoVOmktMmW+VEnhgakFHnasVph65fOjGPTWN0Nw3+XQaSeMayr0kg=="
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@@ -3918,11 +3902,6 @@
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       "dev": true
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-    "requires-port": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
-      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
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@@ -4754,15 +4733,6 @@
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-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.4.tgz",
-      "integrity": "sha512-/92DTTorg4JjktLNLe6GPS2/RvAd/RGr6LuktmWSMLEOa6rjnlrFXNgSbSmkNvCoL2T028A0a1JaJLzRMlFoHg==",
-      "requires": {
-        "querystringify": "^2.0.0",
-        "requires-port": "^1.0.0"
-      }
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       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",