diff --git a/requirements.txt b/requirements.txt
index 7fe4280..1ae5b3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ coverage==5.5
 tox==3.14.3
 flake8==3.7.9
 sphinx-click==2.3.1
-Sphinx==3.0.4
+Sphinx==7.3.5
 sphinxcontrib-napoleon==0.7
 codecov==2.0.21
 pytest-cov==2.8.1