diff --git a/_assets/css/_bootstrap-custom.scss b/_assets/css/_bootstrap-custom.scss
index 9ac6dff..171b368 100644
--- a/_assets/css/_bootstrap-custom.scss
+++ b/_assets/css/_bootstrap-custom.scss
@@ -1,7 +1,7 @@
 /*!
- * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
- * Copyright 2011-2017 The Bootstrap Authors
- * Copyright 2011-2017 Twitter, Inc.
+ * Bootstrap v4.3.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 The Bootstrap Authors
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */