diff --git a/packages/frontend/tailwind.config.js b/packages/frontend/tailwind.config.js
index 4bcb0b01..8279056b 100644
--- a/packages/frontend/tailwind.config.js
+++ b/packages/frontend/tailwind.config.js
@@ -157,6 +157,9 @@ export default withMT({
         3.25: '0.8125rem',
         3.5: '0.875rem',
       },
+      zIndex: {
+        toast: '9999',
+      },
     },
   },
   plugins: [],