diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
index 04073c06..0d757a0b 100644
--- a/requirements/requirements_doc.txt
+++ b/requirements/requirements_doc.txt
@@ -16,4 +16,4 @@ vtk==9.1.0
 pyvista==0.35.1
 pyvistaqt==0.9.0
 pyside6==6.2.3
-matplotlib==3.5.1
\ No newline at end of file
+matplotlib==3.6.1
\ No newline at end of file