diff --git a/pyproject.toml b/pyproject.toml
index 2b089ae..12a2c02 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ docs = [
 dev = ["pre-commit>=2.12.1"]
 tests = ["pytest==8.0.0"]
 strict = [
-    "matplotlib==3.8.2",
+    "matplotlib==3.8.3",
     "pymatgen==2024.1.27",
     "BoltzTraP2==24.1.1",
     "trimesh==4.1.0",