diff --git a/requirements/dev.txt b/requirements/dev.txt
index 123259b..a3e92fe 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -2,7 +2,7 @@ wheel==0.33.6
 pip==19.3
 watchdog==0.9.0
 flake8==3.7.8
-Sphinx==2.2.0
+Sphinx==8.0.2
 cryptography==2.8
 coverage==4.5.4
 pytest==5.2.1