diff --git a/other/train-to-cloud-city/app/client/package-lock.json b/other/train-to-cloud-city/app/client/package-lock.json
index dcb5fd15..971cb28e 100644
--- a/other/train-to-cloud-city/app/client/package-lock.json
+++ b/other/train-to-cloud-city/app/client/package-lock.json
@@ -13379,8 +13379,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "2.79.1",
-      "license": "MIT",
+      "version": "2.80.0",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.80.0.tgz",
+      "integrity": "sha512-cIFJOD1DESzpjOBl763Kp1AH7UE/0fcdHe6rZXUdQ9c50uvgigvW97u3IcSeBwOkgqL/PXPBktBCh0KEu5L8XQ==",
       "bin": {
         "rollup": "dist/bin/rollup"
       },
@@ -24092,7 +24093,9 @@
       }
     },
     "rollup": {
-      "version": "2.79.1",
+      "version": "2.80.0",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.80.0.tgz",
+      "integrity": "sha512-cIFJOD1DESzpjOBl763Kp1AH7UE/0fcdHe6rZXUdQ9c50uvgigvW97u3IcSeBwOkgqL/PXPBktBCh0KEu5L8XQ==",
       "requires": {
         "fsevents": "~2.3.2"
       }