diff --git a/setup.cfg b/setup.cfg
index 456cabe3a0d..dbd35656b60 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -61,7 +61,7 @@ docs =
     nbsphinx
     numpydoc
     sphinx-design
-    sphinx_gallery
+    sphinx-gallery
     jupyter
     notebook
     graphviz