diff --git a/requirements_dev.txt b/requirements_dev.txt
index b610c1b..0daba6f 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ flake8==5.0.4
 tox==3.26.0
 coverage==6.5.0
 cryptography==38.0.2
-Sphinx==5.3.0
+Sphinx==6.1.1
 PyYAML==6.0
 pytest==7.1.3
 pytest-runner==6.0.0