diff --git a/backend/requirements.txt b/backend/requirements.txt
index 9271b20f..deb0b850 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -27,7 +27,7 @@ httpx==0.28.1
 idna==3.13
 inflection==0.5.1
 kiwisolver==1.5.0
-matplotlib==3.10.8
+matplotlib==3.10.9
 numpy==1.26.4
 openai==1.109.1
 opencv-python==4.13.0.92