diff --git a/.github/workflows/etc/requirements.txt b/.github/workflows/etc/requirements.txt
index 6b96d9254f..ca8948497d 100644
--- a/.github/workflows/etc/requirements.txt
+++ b/.github/workflows/etc/requirements.txt
@@ -13,7 +13,7 @@ numba==0.59.0; python_version == '3.9'
 pyopengl==3.1.7
 
 # supplimental tools
-matplotlib==3.8.3
+matplotlib==3.9.2
 h5py==3.10.0
 
 # testing