diff --git a/lib/discord/src/types/index.ts b/lib/discord/src/types/index.ts
index bdea852..f87f343 100644
--- a/lib/discord/src/types/index.ts
+++ b/lib/discord/src/types/index.ts
@@ -263,6 +263,7 @@ export namespace DiscordModules {
                 | 'tertiary'
                 | 'destructive'
                 | 'active'
+                | 'expressive'
                 | 'primary-overlay'
                 | 'secondary-overlay'
             loading?: boolean