diff --git a/SeisEnsManV2/requirements.txt b/SeisEnsManV2/requirements.txt
index 5140556..d7608d7 100644
--- a/SeisEnsManV2/requirements.txt
+++ b/SeisEnsManV2/requirements.txt
@@ -18,7 +18,7 @@ ismember==1.0.2
 Jinja2==3.1.2
 kiwisolver==1.4.5
 llvmlite==0.41.0
-lxml==4.9.3
+lxml==6.1.0
 MarkupSafe==2.1.3
 mat4py==0.6.0
 matplotlib==3.8.0