diff --git a/requirements.txt b/requirements.txt
index e6ab9d2..356dfed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ anthropic>=0.40.0
 
 # PDF export
 markdown==3.10.2
-reportlab==4.2.5
+reportlab==4.5.1
 
 # Utilities
 pydantic==2.13.4