diff --git a/requirements.txt b/requirements.txt
index e11ba13b..84f663cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 numpy == 1.21.4
 scipy == 1.7.2
 pandas == 1.3.4
-matplotlib == 3.4.3
+matplotlib == 3.5.0
 cvxpy == 1.1.17
 pytest == 6.2.5 # For unit test
 pytest-xdist == 2.4.0 # For unit test