diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 528c8f713c..d9e5930498 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -1,6 +1,6 @@
 numpy == 2.0.1
 scipy == 1.14.0
-matplotlib == 3.9.1
+matplotlib == 3.9.1.post1
 cvxpy == 1.5.2
 pytest == 8.3.2 # For unit test
 pytest-xdist == 3.6.1 # For unit test