diff --git a/apt_requirements.txt b/apt_requirements.txt
index 0cf83a7c..ec55eb7f 100644
--- a/apt_requirements.txt
+++ b/apt_requirements.txt
@@ -16,5 +16,6 @@ libjs-jquery-timepicker
 libjs-bootstrap
 fonts-font-awesome
 graphviz
+python3-matplotlib
 git
 gettext