diff --git a/requirements.txt b/requirements.txt
index c79ce0f..cfe89e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-matplotlib==3.7.0
+matplotlib==3.9.1.post1
 numpy==1.24.0
 scipy==1.10.1; python_version < '3.9'
 scipy==1.13.0; python_version >= '3.9'