diff --git a/dev-requirements.txt b/dev-requirements.txt
index b4a7ca4..8e45b35 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 art==6.4
 requests==2.32.3
-matplotlib==3.9.2
+matplotlib==3.9.3
 opem==1.4
 PyQt5==5.15.11
 PyQt5-sip==12.15.0