diff --git a/docs/requirements.txt b/docs/requirements.txt
index dad1f8de..01381437 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -5,6 +5,6 @@ cython
 cramjam
 fastparquet
 numpydoc
-sphynx<7
+sphinx<7
 docutils<0.19
 sphinx_rtd_theme