diff --git a/_package/pyproject.toml b/_package/pyproject.toml
index 0ed628257..422cd9059 100644
--- a/_package/pyproject.toml
+++ b/_package/pyproject.toml
@@ -50,7 +50,7 @@ doc = [
     "sphinx-autodoc-typehints==3.2.0",
     "sphinx-copybutton==0.5.2",
     "sphinx-notfound-page==1.1.0",
-    "sphinx-gallery==0.19.0",
+    "sphinx-gallery==0.20.0",
 ]
 [tool.flit.module]
 name = "pyconverter.generatedcommands"