diff --git a/requirement.txt b/requirement.txt
index e32e664..7a57386 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -1,4 +1,4 @@
-matplotlib==2.2.2
+matplotlib==3.4.1
 pandas==0.23.1
 scikit-learn==0.19.1
 numpy==1.14.5