diff --git a/requirements.txt b/requirements.txt
index 104c182..1cc47ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 PyYAML == 5.3.1
 beautifulsoup4 == 4.9.3
+lxml == 4.6.2
 cronyo == 0.4.2
 dbus-python == 1.2.16
 opencv_python == 4.4.0.42
@@ -7,4 +8,4 @@ pyfestival == 0.5
 pygobject == 3.38.0
 xlib == 0.21
 html5lib == 1.1
-systemd-python
+systemd-python == 234