diff --git a/requirements_dev.txt b/requirements_dev.txt
index b7ea033..a52532d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,10 +3,10 @@ bumpversion==0.6.0
 wheel==0.44.0
 watchdog==5.0.3
 flake8==7.1.1
-tox==4.20.0
+tox==4.23.0
 coverage==7.6.3
 cryptography==43.0.1
-Sphinx==7.3.7
+Sphinx==8.1.3
 PyYAML==6.0.2
 pytest==8.3.3
 vcrpy==2.1.1