diff --git a/package-lock.json b/package-lock.json
index b521c60..750d054 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -220,9 +220,9 @@
       }
     },
     "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",
diff --git a/package.json b/package.json
index e0e030b..8f6082e 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "homepage": "https://github.com/UCLComputerScience/103P_2018_team51#readme",
   "dependencies": {
-    "bootstrap": "^4.0.0",
+    "bootstrap": "^4.3.1",
     "gulp": "^3.9.1",
     "gulp-sass": "^3.1.0",
     "jquery": "^3.3.1",