diff --git a/materials/requirements.txt b/materials/requirements.txt
index 0292528..688bdea 100644
--- a/materials/requirements.txt
+++ b/materials/requirements.txt
@@ -3,7 +3,7 @@ pandas==1.5.1
 scikit-learn==1.1.3
 scipy==1.9.3
 notebook==6.5.6
-matplotlib==3.6.2
+matplotlib==3.6.3
 seaborn==0.11.2
 jupyter==1.0.0
 flaml[automl]==2.1.2