diff --git a/requirements/dev.txt b/requirements/dev.txt
index 592196a..3814f47 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -2,7 +2,7 @@ pip==19.3
 bumpversion==0.5.3
 watchdog==0.9.0
 wheel==0.33.6
-Sphinx==2.2.0
+Sphinx==7.3.5
 flake8==3.7.8
 tox==3.14.0
 cryptography==2.8