diff --git a/requirements.txt b/requirements.txt
index 285eead..8368e37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ keras >= 2.3.1
 scikit-learn >= 0.23.2
 tensorflow-gpu >= 1.15, < 2
 imutils >= 0.5.3
+matplotlib