diff --git a/requirements.txt b/requirements.txt
index fa77d78..bb13f1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 torch>=1.6.0
+matplotlib==3.3.4
 miditoolkit
 PyYAML
 scipy
-numpy
\ No newline at end of file
+numpy