diff --git a/packages/core/scripts/theme-builder/src/theme-variables.ts b/packages/core/scripts/theme-builder/src/theme-variables.ts
index 7f26fbf8a5..efbef480dc 100644
--- a/packages/core/scripts/theme-builder/src/theme-variables.ts
+++ b/packages/core/scripts/theme-builder/src/theme-variables.ts
@@ -139,5 +139,8 @@ export const THEME_VARIABLES = [
   {
     property: '--box-shadow'
   },
+  {
+    property: '--backdrop'
+  },
 
 ];