diff --git a/requirements-dev.txt b/requirements-dev.txt
index 91626b1..cba89cd 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -13,7 +13,7 @@ pytest-cov==3.0.0
 pytest==6.2.5
 pytorch_ranger==0.1.1
 sphinx-autodoc-typehints==1.12.0
-sphinx==4.2.0
+sphinx==5.1.1
 torch==1.10.0
 twine==3.4.2
 wheel==0.37.0