diff --git a/src/FilterLists.Web/npm-shrinkwrap.json b/src/FilterLists.Web/npm-shrinkwrap.json
index cda4d0a67..0673bc685 100644
--- a/src/FilterLists.Web/npm-shrinkwrap.json
+++ b/src/FilterLists.Web/npm-shrinkwrap.json
@@ -490,9 +490,9 @@
       "dev": true
     },
     "bootstrap": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.1.3.tgz",
-      "integrity": "sha512-rDFIzgXcof0jDyjNosjv4Sno77X4KuPeFxG2XZZv1/Kc8DRVGVADdoQyyOVDwPqL36DDmtCQbrpMCqvpPLJQ0w==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.2.1.tgz",
+      "integrity": "sha512-tt/7vIv3Gm2mnd/WeDx36nfGGHleil0Wg8IeB7eMrVkY0fZ5iTaBisSh8oNANc2IBsCc6vCgCNTIM/IEN0+50Q==",
       "dev": true
     },
     "brace-expansion": {
diff --git a/src/FilterLists.Web/package.json b/src/FilterLists.Web/package.json
index c02151fc6..cd6934943 100644
--- a/src/FilterLists.Web/package.json
+++ b/src/FilterLists.Web/package.json
@@ -13,7 +13,7 @@
     "aspnet-webpack": "^3.0.0",
     "aspnet-webpack-react": "^3.0.0",
     "awesome-typescript-loader": "^4.0.1",
-    "bootstrap": "^4.1.3",
+    "bootstrap": "^4.2.1",
     "css-loader": "^0.28.11",
     "event-source-polyfill": "0.0.16",
     "extract-text-webpack-plugin": "^3.0.2",