diff --git a/tools/requirements/docs.txt b/tools/requirements/docs.txt
index edde38874..acbd33906 100644
--- a/tools/requirements/docs.txt
+++ b/tools/requirements/docs.txt
@@ -1,4 +1,4 @@
-sphinx == 2.4.1
+sphinx == 2.4.3
 git+https://github.com/python/python-docs-theme.git#egg=python-docs-theme
 git+https://github.com/pypa/pypa-docs-theme.git#egg=pypa-docs-theme