diff --git a/src/util/types.ts b/src/util/types.ts
index 87f7cb25..a3ab316a 100644
--- a/src/util/types.ts
+++ b/src/util/types.ts
@@ -26,6 +26,7 @@ const SetSchema = z.object({
     .regex(/^\d+(,\d+|\.\d+)?$/, {
       message: "Weight must be whole or decimal number.",
     }),
+  warmup: z.boolean().optional(),
 });
 
 export type SetType = z.infer<typeof SetSchema>;