diff --git a/requirements_dev.txt b/requirements_dev.txt
index 844f625..752321d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,11 +6,11 @@ watchdog==6.0.0
 tox==4.23.2
 coverage==7.6.9
 pytest-runner==6.0.1
-Sphinx==7.2.6
+Sphinx==8.2.1
 codecov==2.1.13
 twine==6.0.1
 pytest==8.0.1
-Sphinx==7.2.6
+Sphinx==8.2.1
 Click==8.1.7
 pydocstyle==6.3.0
 coverage==7.6.9