diff --git a/docs/requirements.txt b/docs/requirements.txt
index 536f4d5e..76dee66b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,2 @@
-sphinx >= 4.0, < 6.0
+sphinx >= 4.0, < 7.0
 sphinx_rtd_theme < 2.0