diff --git a/swifr_pkg/requirements.txt b/swifr_pkg/requirements.txt
index 3e2d876..a4dc455 100644
--- a/swifr_pkg/requirements.txt
+++ b/swifr_pkg/requirements.txt
@@ -84,7 +84,7 @@ libarchive-c==2.8
 lief==0.9.0
 llvmlite==0.26.0
 locket==0.2.0
-lxml==4.2.5
+lxml==4.9.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2
 mccabe==0.6.1