diff --git a/assets/css/bootstrap.scss b/assets/css/bootstrap.scss
index 3520480a..1fd195bf 100644
--- a/assets/css/bootstrap.scss
+++ b/assets/css/bootstrap.scss
@@ -10,5 +10,6 @@
  * ---------------------------------------------------------------------------- */
 
 $primary: #439982;
+$min-contrast-ratio: 2;
 
 @import '../../node_modules/bootstrap/scss/bootstrap';