diff --git a/TreePLE/TreePLE-Web/package-lock.json b/TreePLE/TreePLE-Web/package-lock.json
index 7cc96734..7a9c0f1f 100644
--- a/TreePLE/TreePLE-Web/package-lock.json
+++ b/TreePLE/TreePLE-Web/package-lock.json
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@@ -11693,6 +11977,89 @@
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diff --git a/TreePLE/TreePLE-Web/package.json b/TreePLE/TreePLE-Web/package.json
index 699ff41e..38dd10b1 100644
--- a/TreePLE/TreePLE-Web/package.json
+++ b/TreePLE/TreePLE-Web/package.json
@@ -45,7 +45,7 @@
     "eslint-plugin-promise": "^3.4.0",
     "eslint-plugin-standard": "^2.0.1",
     "eventsource-polyfill": "^0.9.6",
-    "express": "^4.14.1",
+    "express": "^4.17.3",
     "extract-text-webpack-plugin": "^2.0.0",
     "file-loader": "^0.11.1",
     "friendly-errors-webpack-plugin": "^1.1.3",