diff --git a/tailwind.config.js b/tailwind.config.js
index ba156e9c17f99763e93900d542e9d8442a720e4e..5f752e30241e1fde495dc1f19b5a80afc6e74d7a 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -30,6 +30,7 @@ module.exports = {
         /^((sm|md|lg|xl)\:)?grid-flow-*/,
         /^((sm|md|lg|xl)\:)?head-*/,
         /^((sm|md|lg|xl)\:)?clearfix/,
+        /opacity-*/,
         /^text-*/,
         /^max-w-*/,
         /ico--*/,