diff --git a/requirements-dev.txt b/requirements-dev.txt
index 06d97a0..4b8d58a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ myst-parser>=4.0.0
 sphinxcontrib-bibtex>=2.6.0
 pybtex>=0.24.0
 pydata-sphinx-theme
-sphinx-gallery>=0.11.1
+sphinx-gallery>=0.21.0
 pillow>=8.0.0
 matplotlib>=3.3.0
 sphinx-hoverxref