diff --git a/internal/attestation.go b/internal/attestation.go
index 5aa5876..30b4fd1 100644
--- a/internal/attestation.go
+++ b/internal/attestation.go
@@ -310,6 +310,7 @@ func sendReport(c *fiber.Ctx, report *AttestationReport, reportDataJSON []byte)
 		return fiber.NewError(fiber.StatusInternalServerError, "failed to marshal attestation report")
 	}
 	c.Set("Content-Type", "application/json")
+	c.Set("Cache-Control", "no-store")
 	return c.Send(body)
 }