diff --git a/tools/MaskRangeTool/requirements.txt b/tools/MaskRangeTool/requirements.txt
new file mode 100644
index 0000000000..e91bff348f
--- /dev/null
+++ b/tools/MaskRangeTool/requirements.txt
@@ -0,0 +1,3 @@
+matplotlib
+numpy
+opencv_python