diff --git a/requirements.txt b/requirements.txt
index 05b68c6..cbab7d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ flask>=3.0
 flask-wtf>=1.2
 werkzeug>=3.1.8
 gunicorn>=21.0
-reportlab>=4.0
+reportlab>=4.5.1
 qrcode[pil]>=8.2
 Pillow>=12.2.0
 structlog>=26.1.0