diff --git a/setup.cfg b/setup.cfg
index 548b23b2..05f4c5d3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,6 +27,7 @@ doc =
     cairosvg
     ipywidgets
     matplotlib
+    matplotlib-inline !=0.1.5  # problem with plt.ioff()
     myst-nb >=0.14  # nb_render_markdown_format for Markdown tables
     pandas
     psutil