diff --git a/Angular2/auction/package-lock.json b/Angular2/auction/package-lock.json
index bb951f954..76f191b79 100644
--- a/Angular2/auction/package-lock.json
+++ b/Angular2/auction/package-lock.json
@@ -1506,9 +1506,9 @@
       }
     },
     "bootstrap": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.1.3.tgz",
-      "integrity": "sha512-rDFIzgXcof0jDyjNosjv4Sno77X4KuPeFxG2XZZv1/Kc8DRVGVADdoQyyOVDwPqL36DDmtCQbrpMCqvpPLJQ0w=="
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.3.1.tgz",
+      "integrity": "sha512-rXqOmH1VilAt2DyPzluTi2blhk17bO7ef+zLLPlWvG494pDxcM234pJ8wTc/6R40UWizAIIMgxjvxZg5kmsbag=="
     },
     "brace-expansion": {
       "version": "1.1.11",
diff --git a/Angular2/auction/package.json b/Angular2/auction/package.json
index 82fbd00d0..6eab5eb5c 100644
--- a/Angular2/auction/package.json
+++ b/Angular2/auction/package.json
@@ -21,7 +21,7 @@
     "@angular/platform-browser-dynamic": "^6.0.3",
     "@angular/router": "^6.0.3",
     "angular-font-awesome": "^3.1.2",
-    "bootstrap": "^4.1.3",
+    "bootstrap": "^4.3.1",
     "core-js": "^2.5.4",
     "font-awesome": "^4.7.0",
     "jquery": "^3.3.1",