diff --git a/regchain/package-lock.json b/regchain/package-lock.json
index 3c86548..9ee7bdb 100644
--- a/regchain/package-lock.json
+++ b/regchain/package-lock.json
@@ -856,9 +856,9 @@
       }
     },
     "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/regchain/package.json b/regchain/package.json
index 5c759dd..42bad29 100644
--- a/regchain/package.json
+++ b/regchain/package.json
@@ -32,7 +32,7 @@
     "@angular/platform-browser": "^7.1.1",
     "@angular/platform-browser-dynamic": "^7.1.1",
     "@angular/router": "^7.1.1",
-    "bootstrap": "^4.1.3",
+    "bootstrap": "^4.3.1",
     "cfenv": "^1.0.4",
     "concurrently": "^4.1.0",
     "config": "^3.0.0",