diff --git a/package-lock.json b/package-lock.json
index 3a44f59..fb30718 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -198,9 +198,9 @@
       "dev": true
     },
     "bootstrap": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.1.3.tgz",
-      "integrity": "sha512-rDFIzgXcof0jDyjNosjv4Sno77X4KuPeFxG2XZZv1/Kc8DRVGVADdoQyyOVDwPqL36DDmtCQbrpMCqvpPLJQ0w=="
+      "version": "4.3.1",
+      "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 90862e7..9f0bf57 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   },
   "homepage": "https://github.com/calderacc/fahrverbot",
   "dependencies": {
-    "bootstrap": "^4.1.3",
+    "bootstrap": "^4.3.1",
     "gulp-concat": "^2.6.1",
     "jquery": "^3.5.0",
     "leaflet": "^1.0",