diff --git a/requirements/requirements_api.txt b/requirements/requirements_api.txt
index f3bee894..0bc776a6 100644
--- a/requirements/requirements_api.txt
+++ b/requirements/requirements_api.txt
@@ -27,4 +27,4 @@ healpy==1.17.3
 scipy==1.14.0
 pygcn==1.1.3
 xmlschema==3.3.2
-lxml==5.2.2
+lxml==5.3.0