diff --git a/requirements-dev.txt b/requirements-dev.txt
index 163cae2b3..f92fc54db 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 ipython==7.16.1
-Sphinx==3.5.4
+Sphinx==4.0.2
 sphinx-autobuild==0.7.1
 sphinxcontrib-fulltoc==1.2.0
 nbsphinx==0.7.1