diff --git a/pyproject.toml b/pyproject.toml
index 5cede693a..d8bea33a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ documentation = [
     "numpydoc ==1.9.0",
     "sphinx >=5.1.1",
     "sphinx-rtd-theme ==3.0.2",
-    "sphinx-gallery ==0.19.0",
+    "sphinx-gallery ==0.20.0",
     "pydata-sphinx-theme ==0.15.4",
 ]