diff --git a/requirements/docs.txt b/requirements/docs.txt
index 10a105a..951498a 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -4,5 +4,5 @@
 
 -r base.txt
 
-sphinx==3.5.0
+sphinx==4.1.2
 sphinx_rtd_theme==0.5.0