diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7de69cc..a3a299c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ flake8==5.0.4
 tox==4.4.8
 coverage==7.2.2
 cryptography==40.0.1
-Sphinx==5.3.0
+Sphinx==6.1.3
 PyYAML==6.0
 pytest==7.2.2
 vcrpy==2.1.1