diff --git a/package-lock.json b/package-lock.json
index 5941476..2a8e911 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -65,9 +65,9 @@
       }
     },
     "bootstrap": {
-      "version": "4.1.1",
-      "resolved": "http://registry.npm.taobao.org/bootstrap/download/bootstrap-4.1.1.tgz",
-      "integrity": "sha1-OuyFAA+mGQhdqNLkmD39Z88hFMs="
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.3.1.tgz",
+      "integrity": "sha512-rXqOmH1VilAt2DyPzluTi2blhk17bO7ef+zLLPlWvG494pDxcM234pJ8wTc/6R40UWizAIIMgxjvxZg5kmsbag=="
     },
     "bytes": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 9eb31d5..b979682 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "build": "node ./checksum.js"
   },
   "dependencies": {
-    "bootstrap": "^4.1.1",
+    "bootstrap": "^4.3.1",
     "cookie-parser": "~1.4.3",
     "debug": "~2.6.9",
     "express": "~4.16.0",