diff --git a/main.go b/main.go
index c932965..01ce410 100644
--- a/main.go
+++ b/main.go
@@ -305,7 +305,7 @@ func handleStart(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Expire setzen
-	rdb.Expire(ctx, "session:"+sessionID, 1*time.Hour)
+	rdb.Expire(ctx, "session:"+sessionID, 8760*time.Hour)
 
 	json.NewEncoder(w).Encode(StartResponse{SessionID: sessionID, Seed: seed32})
 }