diff --git a/requirement.txt b/requirement.txt
index 1cdc057..c98a137 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -1,4 +1,4 @@
-matplotlib==3.1.1
+matplotlib==3.4.2
 pandas==0.24.2
 TA-Lib==0.4.17
 docopt==0.6.2