diff --git a/internal/cache/report.go b/internal/cache/report.go
new file mode 100644
index 0000000..69089cd
--- /dev/null
+++ b/internal/cache/report.go
@@ -0,0 +1,9 @@
+package cache
+
+import "time"
+
+type CachedReport struct {
+	ReportID    string
+	UserID      string
+	GeneratedAt time.Time
+}