diff --git a/index.d.ts b/index.d.ts
index 900faa8..c3b5eac 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -44,7 +44,7 @@ declare global {
 
   interface InactivityNoticeProps {
     created_at: number;
-    decisions?: {
+    decisions: {
       DM?: boolean;
       ET?: boolean;
       FM?: boolean;