diff --git a/requirements.txt b/requirements.txt
index 0e1d0dfe..2c05e5ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 numpy == 1.20.2
 scipy == 1.6.3
 pandas == 1.2.4
-matplotlib == 3.4.1
+matplotlib == 3.4.2
 cvxpy == 1.1.12