diff --git a/pyproject.toml b/pyproject.toml
index 967dad1f..c916e9c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ strict = [
     "FireWorks==2.1.3",
     "PyYAML==6.0.3",
     "maggma==0.72.1",
-    "matplotlib==3.10.8",
+    "matplotlib==3.10.9",
     "monty==2025.3.3",
     "moto==5.1.22",
     "networkx==3.4.2",