diff --git a/opferperspektive/requirements.txt b/opferperspektive/requirements.txt
index 373c9c6..3027e67 100644
--- a/opferperspektive/requirements.txt
+++ b/opferperspektive/requirements.txt
@@ -5,7 +5,7 @@ chardet==4.0.0
 greenlet==1.1.0 ; python_version >= '3'
 idna==2.10
 importlib-metadata==4.4.0 ; python_version < '3.8'
-lxml==4.6.3
+lxml==4.9.1
 mako==1.1.4
 markupsafe==2.0.1
 python-dateutil==2.8.1