diff --git a/requirements.txt b/requirements.txt
index 5d4b16e8..544303c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
-numpy
-pyusb
-lxml
-xmltodict
-cssselect   # required for inkscape >= 1.2
-tinycss2    # required for inkscape >= 1.4
+numpy      >= 1.21.5
+pyusb      >= 1.2.1.post1
+lxml       >= 4.8.0
+xmltodict  >= 0.13.0 # required for Silhouette Multiple Actions
+cssselect  >= 1.1.0  # required for inkscape >= 1.2
+tinycss2   >= 1.1.1  # required for inkscape >= 1.4
+matplotlib >= 3.7.2  # required displaying cut preview