diff --git a/docs/requirements.txt b/docs/requirements.txt
index f90e0a454..8ec193b63 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 # requirements to build documentation
-Sphinx<2.0
+Sphinx==7.3.5
 sphinxcontrib-issuetracker
 alabaster
 doc8