diff --git a/toolkit/themes/shared/design-system/dist/tokens-shared.css b/toolkit/themes/shared/design-system/dist/tokens-shared.css
index 09a76c06a1b1982e27df5a2a1f770bad97e11247..26082ffa45480079da62f452ae6d7be652847464 100644
--- a/toolkit/themes/shared/design-system/dist/tokens-shared.css
+++ b/toolkit/themes/shared/design-system/dist/tokens-shared.css
@@ -5,6 +5,8 @@
 /* DO NOT EDIT this file directly, instead modify design-tokens.json
  * and run `npm run build` to see your changes. */
 
+@import url("chrome://browser/content/zen-styles/zen-theme.css");
+
 @layer tokens-foundation, tokens-prefers-contrast, tokens-forced-colors;
 
 @layer tokens-foundation {
