diff --git a/dev-requirements.txt b/dev-requirements.txt
index 76fe696..88e13e0 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 art==6.1
 requests==2.31.0
-matplotlib==3.8.3
+matplotlib==3.8.4
 opem==1.4
 PyQt5==5.15.10
 PyQt5-sip==12.13.0