diff --git a/requirements/dev.txt b/requirements/dev.txt
index 6039fc6..7d98185 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -3,5 +3,5 @@ coloredlogs==10.0
 cryptography==2.8
 watchdog==0.9.0
 flake8==3.7.8
-Sphinx==2.2.0
+Sphinx==8.1.3
 wheel==0.33.6