diff --git a/pyproject.toml b/pyproject.toml
index 979dc89b6..8ff04045d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ tests = [
 ]
 doc = [
     "ansys-sphinx-theme==0.13.1",
-    "matplotlib==3.8.2",
+    "matplotlib==3.8.3",
     "numpydoc==1.6.0",
     "pypandoc==1.12",
     "Sphinx==7.2.6",