diff --git a/requirements_dev.txt b/requirements_dev.txt
index 34b21da..f6ac5fa 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,5 +5,5 @@ watchdog==2.1.6
 flake8==4.0.1
 tox==3.24.4
 coverage==6.0.2
-Sphinx==4.0.3
+Sphinx==6.0.0
 twine==3.4.1