diff --git a/requirements_dev.txt b/requirements_dev.txt
index 583d486..9cf8f31 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ pre-commit==2.20.0
 pytest==7.1.2
 pytest-cov==3.0.0
 pytest-mock==3.8.2
-Sphinx==5.1.1
+Sphinx==6.1.3
 tox==3.25.1
 twine==4.0.1
 wheel==0.37.1