diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0334896be..16e80cccb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,4 +6,4 @@ wheel~=0.43.0
 lion-pytorch~=0.1.4
 scipy~=1.13.0
 pandas~=2.2.2
-matplotlib~=3.8.4
+matplotlib~=3.9.0