diff --git a/addons/web/static/src/legacy/scss/bootstrap_overridden.scss b/addons/web/static/src/legacy/scss/bootstrap_overridden.scss
index 7835fab1723..2f037976bf7 100644
--- a/addons/web/static/src/legacy/scss/bootstrap_overridden.scss
+++ b/addons/web/static/src/legacy/scss/bootstrap_overridden.scss
@@ -60,6 +60,9 @@ $variable-prefix: '' !default;
 // Restore negative margins disabled in BS5 by default
 $enable-negative-margins: true !default;
 
+// Enable CSS Grid classes
+$enable-cssgrid: true !default;
+
 // Spacing
 $spacer: 1rem !default;