diff --git a/requirements-dev.txt b/requirements-dev.txt
index 04def15af..64b9b7e01 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ splinter==0.16.0
 selenium==3.141.0
 twine==3.6.0
 Pallets-Sphinx-Themes==2.0.2
-Sphinx==4.3.0
+Sphinx==4.3.1
 sphinx-issues==1.2.0
 sphinx-jinja==1.1.1
 sphinx-tabs==3.2.0