diff --git a/packages/plugin-html-keyboard-response/src/index.ts b/packages/plugin-html-keyboard-response/src/index.ts
index 093fa821..6cc0c30a 100644
--- a/packages/plugin-html-keyboard-response/src/index.ts
+++ b/packages/plugin-html-keyboard-response/src/index.ts
@@ -80,6 +80,7 @@ const info = <const>{
       type: ParameterType.STRING,
     },
   },
+  citation: [],
 };
 
 type Info = typeof info;