diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0bbbc76..a3fc761 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,4 @@
 pandas
 numpy
-scipy
\ No newline at end of file
+scipy
+matplotlib
\ No newline at end of file