diff --git a/requirements-dev.txt b/requirements-dev.txt
index cf69845..925b886 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,7 +10,7 @@ pytest
 pytest-runner
 setuptools_scm
 docutils<0.18
-Sphinx==4.2.0
+Sphinx
 sphinx-gallery
 pydata-sphinx-theme
 numpydoc