diff --git a/requirements.txt b/requirements.txt
index 735b9346..76b7f0c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ ccdproc == 2.4.2
 click == 8.1.7
 cmcrameri == 1.9
 markdown == 3.6
-matplotlib == 3.8.4
+matplotlib == 3.9.0
 numpy == 1.26.4
 oschmod == 0.3.12
 paramiko == 3.4.0