diff --git a/requirements.txt b/requirements.txt
index b562ec5..0403cbf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Cython==3.0.10
-matplotlib==3.9.1
+matplotlib==3.9.4
 numpy==2.1.0
 pandas==2.2.2
 PyYAML==6.0.1