diff --git a/api/requirements.txt b/api/requirements.txt
index 48bd9f2..d58452d 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -6,7 +6,7 @@ python-multipart>=0.0.6
 # HTTP & Parsing
 requests>=2.31.0
 beautifulsoup4>=4.12.0
-lxml>=5.0.0
+lxml>=6.1.0
 httpx>=0.26.0
 
 # Monitoring & Metrics (optional, for enterprise features)