diff --git a/docs-requirements.txt b/docs-requirements.txt
index f47f2e32..7558b808 100644
--- a/docs-requirements.txt
+++ b/docs-requirements.txt
@@ -1,4 +1,4 @@
-sphinx==3.0.3
+sphinx==4.4.0
 sphinx_rtd_theme==1.0.0
 sphinxcontrib-apidoc==0.3.0
 sphinxcontrib-napoleon==0.7