diff --git a/package-lock.json b/package-lock.json
index 99dfe34..34a18d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -362,9 +362,9 @@
       }
     },
     "bootstrap": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.0.0.tgz",
-      "integrity": "sha512-gulJE5dGFo6Q61V/whS6VM4WIyrlydXfCgkE+Gxe5hjrJ8rXLLZlALq7zq2RPhOc45PSwQpJkrTnc2KgD6cvmA=="
+      "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",
@@ -534,7 +534,8 @@
     "console-control-strings": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+      "optional": true
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -825,6 +826,7 @@
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
       "integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
+      "optional": true,
       "requires": {
         "once": "1.4.0"
       }
diff --git a/package.json b/package.json
index 1e124a3..61b68cf 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "adm-zip": "0.4.9",
     "bittorrent-dht": "8.2.0",
     "bittorrent-tracker": "9.7.0",
-    "bootstrap": "4.0.0",
+    "bootstrap": "4.3.1",
     "jquery": "3.3.1",
     "material-design-iconic-font": "2.2.0",
     "moment": "2.22.1",