diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7a1daf865ae637c2c36fe6439cc5c6659131ef69..fb2b73c29a06fdfec9ae073be2431e6caaf6e7ec 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,4 @@
+sphinx>=7.1,<7.2
 docutils==0.20.1
 myst-parser==2.0.0
 sphinx-rtd-theme